Cryptographically verifiable

Receipt A4Q9X2K

Mathew P. referred Hugo S. to Bondi Build Co.

Verification result
Receipt A4Q9X2K · rh_a4q9x2k_89567_f…f6c9d2b5
Verdict
✓ Chain integrity verified
This receipt's 5-event chain has been cryptographically verified. Each event signature, the hash chain linking events, and the independent monthly witness records all check out.
Handshake completeness
80%
Events on chain
5
ZK witness proofs
2
Anchored blocks
5

What this receipt proves

ReferrerMathew P.
RefereeHugo S.
Vertical Trades
PartnerBondi Build Co
Intent signed08 May 2026, 02:23 pm
Receipt statusSETTLED
Commission amount$768.00

Causation chain (5 of 5 core handshakes)

1
Referrer intent signed
08 May 2026, 02:23 pm
"Hey, I referred you"
Biometric-bound Independently witnessed · period #6 Hash chain OK
signed by Mathew P.
device Mathew's iPhone 15 Pro · iOS Secure Enclave
sig (ES256) sig_es256_intent_a4q9x2k_m…b2d5f7a9c1
event hash eh_intent_a4q9x2k_8b3e5c7f…1b3d5f7a9c
prev hash (genesis of this receipt)
block merkle root mr_89345_f6a7b8c9d0e1f2a3b…f0a1b2c3d4
2
Referee acknowledged
08 May 2026, 02:25 pm
"Yes, I got that referral"
Biometric-bound Independently witnessed · period #6 Hash chain OK
signed by Hugo S.
device Hugo's iPhone · iOS Secure Enclave
sig (ES256) sig_es256_ack_a4q9x2k_hugo…d4f6c8e0a2
event hash eh_ack_a4q9x2k_9c4f6d8a0b2…2e4a6b8d0f
prev hash eh_intent_a4q9x2k_8b3e5c7f…1b3d5f7a9c
block merkle root mr_89345_f6a7b8c9d0e1f2a3b…f0a1b2c3d4
3a
Partner intake witnessed
09 May 2026, 10:30 am
"Partner confirmed lead in"
Biometric-bound Independently witnessed · period #6 Hash chain OK
signed by Nathan H. (Bondi Build Co)
device Nathan Hicks (Bondi Build) · Android StrongBox
sig (ES256) sig_es256_intake_a4q9x2k_n…c3f5d7e9b1
event hash eh_intake_a4q9x2k_0d5g7e9b…3f5d7e9b1c
prev hash eh_ack_a4q9x2k_9c4f6d8a0b2…2e4a6b8d0f
block merkle root mr_89345_f6a7b8c9d0e1f2a3b…f0a1b2c3d4
3b
ZK value bucket declared
09 May 2026, 10:30 am
"Worth X-Y, no PII leaked"
Biometric-bound Independently witnessed · period #6 Hash chain OK
signed by Nathan H. (Bondi Build Co)
device Nathan Hicks (Bondi Build) · Android StrongBox
sig (ES256) sig_es256_bucket_a4q9x2k_n…c2d4g6e8f0
event hash eh_bucket_a4q9x2k_1e6h8f0c…4g6e8f0c2d
prev hash eh_intake_a4q9x2k_0d5g7e9b…3f5d7e9b1c
block merkle root mr_89345_f6a7b8c9d0e1f2a3b…f0a1b2c3d4
3c
Partner settlement witnessed
15 May 2026, 04:30 pm
"Yes, that referral converted"
Biometric-bound Independently witnessed · period #6 Hash chain OK
signed by Nathan H. (Bondi Build Co)
device Nathan Hicks (Bondi Build) · Android StrongBox
sig (ES256) sig_es256_settle_a4q9x2k_w…e5h7f9g1d3
event hash eh_settle_a4q9x2k_2f7i9g1d…e5h7f9g1d3
prev hash eh_bucket_a4q9x2k_1e6h8f0c…4g6e8f0c2d
block merkle root mr_89345_f6a7b8c9d0e1f2a3b…f0a1b2c3d4
4
Referee confirmed outcome Awaiting
"Yes, Mathew deserves their commission"

Zero-knowledge witness proofs

The partner's witness agent emits cryptographic proofs that the deal happened — without exposing customer PII or exact dollar amounts. Auditors can verify these proofs offline.

Lead received Verified offline
proof algorithm GROTH16 (zero-knowledge)
witness agent WA-BONDIBUILD-001 v1.4.2
partner Bondi Build Co
proof bytes zkproof_bondi_intake_a4q9x2k_gro…16_base64...
Deal settled Verified offline
proof algorithm GROTH16 (zero-knowledge)
witness agent WA-BONDIBUILD-001 v1.4.2
partner Bondi Build Co
declared value bucket $45,000.00 – $50,000.00 (exact value never revealed)
product category TRADES_KITCHEN_RENO
asserted status ACTIVE
settled on or before 15 May 2026
proof bytes zkproof_bondi_settle_a4q9x2k_gro…16_base64...

How to verify this offline (for auditors)

  1. Download the JSON: /api/receipts/A4Q9X2K
  2. For each event, verify SHA-256(payload_json || prev_event_hash) === event_hash
  3. For each signature, verify ES256.verify(payload_json, signature, device_public_key)
  4. For the period seal, verify the block's merkle_root against the independent monthly witness records published at /chain (witness keys rotated quarterly)
  5. For ZK witness proofs, run the partner's witness-agent verifier with the published verifying key (Groth16 / PLONK / STARK)

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This is a Provable Attribution receipt. Every event below is timestamped, locked, and independently witnessed each month — so no one (including us) can rewrite history.

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