Cryptographically verifiable

Receipt J4N8B1V

Mathew P. referred Grace L. to Punter Legal.

Verification result
Receipt J4N8B1V · rh_j4n8b1v_89567_e…b5e8a1f4
Verdict
✓ Chain integrity verified
This receipt's 4-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
4
ZK witness proofs
1
Anchored blocks
4

What this receipt proves

ReferrerMathew P.
RefereeGrace L.
Vertical Legal
PartnerPunter Legal
Intent signed03 May 2026, 04:00 pm
Receipt statusSETTLED
Commission amount$80.00

Causation chain (4 of 5 core handshakes)

1
Referrer intent signed
03 May 2026, 04:00 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_j4n8b1v
event hash eh_intent_j4n8b1v_e1f3a5b7…f1a3b5c7d9
prev hash (genesis of this receipt)
block merkle root mr_89345_f6a7b8c9d0e1f2a3b…f0a1b2c3d4
2
Referee acknowledged
03 May 2026, 04:12 pm
"Yes, I got that referral"
Biometric-bound Independently witnessed · period #6 Hash chain OK
signed by Grace L.
device Grace's iPhone · iOS Secure Enclave
sig (ES256) sig_es256_ack_j4n8b1v_grace
event hash eh_ack_j4n8b1v_f2a4b6c8d0e…a2b4c6d8e0
prev hash eh_intent_j4n8b1v_e1f3a5b7…f1a3b5c7d9
block merkle root mr_89345_f6a7b8c9d0e1f2a3b…f0a1b2c3d4
3a
Partner intake witnessed
08 May 2026, 10:00 am
"Partner confirmed lead in"
Biometric-bound Independently witnessed · period #6 Hash chain OK
signed by James O. (Punter Legal)
device James O'Brien (O'Brien & Co Legal) · iOS Secure Enclave
sig (ES256) sig_es256_intake_j4n8b1v_james_obrien
event hash eh_intake_j4n8b1v_a3b5c7d9…b3c5d7e9f1
prev hash eh_ack_j4n8b1v_f2a4b6c8d0e…a2b4c6d8e0
block merkle root mr_89345_f6a7b8c9d0e1f2a3b…f0a1b2c3d4
3c
Partner settlement witnessed
10 May 2026, 08:13 am
"Yes, that referral converted"
Biometric-bound Independently witnessed · period #6 Hash chain OK
signed by James O. (Punter Legal)
device James O'Brien (O'Brien & Co Legal) · iOS Secure Enclave
sig (ES256) sig_es256_settle_j4n8b1v_o…en_witness
event hash eh_settle_j4n8b1v_b4c6d8e0…c4d6e8f0a2
prev hash eh_intake_j4n8b1v_a3b5c7d9…b3c5d7e9f1
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.

Deal settled Verified offline
proof algorithm GROTH16 (zero-knowledge)
witness agent WA-OBRIEN-001 v1.4.2
partner Punter Legal
declared value bucket $1,500.00 – $1,800.00 (exact value never revealed)
product category LEGAL_FAMILY_LAW
asserted status ACTIVE
settled on or before 10 May 2026
proof bytes zkproof_obrien_settle_j4n8b1v...

How to verify this offline (for auditors)

  1. Download the JSON: /api/receipts/J4N8B1V
  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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