Cryptographically verifiable

Receipt F2W8N5L

Mathew P. referred Eva C. to Hollard Direct.

Verification result
Receipt F2W8N5L · rh_f2w8n5l_89102_a…d8a1f4c7
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
100%
Events on chain
5
ZK witness proofs
1
Anchored blocks
5

What this receipt proves

ReferrerMathew P.
RefereeEva C.
Vertical Conveyancing
PartnerHollard Direct
Intent signed25 Feb 2026, 09:30 am
Receipt statusSETTLED
Commission amount$97.50

Causation chain (5 of 5 core handshakes)

1
Referrer intent signed
25 Feb 2026, 09:30 am
"Hey, I referred you"
Biometric-bound Independently witnessed · period #4 Hash chain OK
signed by Mathew P.
device Mathew's MacBook Pro (Touch ID) · WebAuthn
sig (ES256) sig_es256_intent_f2w8n5l
event hash eh_intent_f2w8n5l_e3f5a7b9…f3a5b7c9d1
prev hash (genesis of this receipt)
block merkle root mr_88934_d4e5f6a7b8c9d0e1f…d8e9f0a1b2
2
Referee acknowledged
25 Feb 2026, 09:42 am
"Yes, I got that referral"
Biometric-bound Independently witnessed · period #4 Hash chain OK
signed by Eva C.
device Eva's Galaxy S24 · Android StrongBox
sig (ES256) sig_es256_ack_f2w8n5l_eva
event hash eh_ack_f2w8n5l_f4a6b8c0d2e…a4b6c8d0e2
prev hash eh_intent_f2w8n5l_e3f5a7b9…f3a5b7c9d1
block merkle root mr_88934_d4e5f6a7b8c9d0e1f…d8e9f0a1b2
3a
Partner intake witnessed
27 Feb 2026, 11:00 am
"Partner confirmed lead in"
Biometric-bound Independently witnessed · period #4 Hash chain OK
signed by Lisa A. (Hollard Direct)
device Lisa Anderson (NRMA Direct) · WebAuthn
sig (ES256) sig_es256_intake_f2w8n5l_lisa_nrma
event hash eh_intake_f2w8n5l_a5b7c9d1…b5c7d9e1f3
prev hash eh_ack_f2w8n5l_f4a6b8c0d2e…a4b6c8d0e2
block merkle root mr_88934_d4e5f6a7b8c9d0e1f…d8e9f0a1b2
3c
Partner settlement witnessed
14 Mar 2026, 08:13 am
"Yes, that referral converted"
Biometric-bound Independently witnessed · period #4 Hash chain OK
signed by Lisa A. (Hollard Direct)
device Lisa Anderson (NRMA Direct) · WebAuthn
sig (ES256) sig_es256_settle_f2w8n5l_nrma_witness
event hash eh_settle_f2w8n5l_b6c8d0e2…c6d8e0f2a4
prev hash eh_intake_f2w8n5l_a5b7c9d1…b5c7d9e1f3
block merkle root mr_88934_d4e5f6a7b8c9d0e1f…d8e9f0a1b2
4
Referee confirmed outcome
15 Mar 2026, 04:20 pm
"Yes, Mathew deserves their commission"
Biometric-bound Independently witnessed · period #4 Hash chain OK
signed by Eva C.
device Eva's Galaxy S24 · Android StrongBox
sig (ES256) sig_es256_outcome_f2w8n5l_eva
event hash eh_outcome_f2w8n5l_c7d9e1f…d7e9f1a3b5
prev hash eh_settle_f2w8n5l_b6c8d0e2…c6d8e0f2a4
block merkle root mr_88934_d4e5f6a7b8c9d0e1f…d8e9f0a1b2

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-NRMA-001 v1.4.2
partner Hollard Direct
declared value bucket $1,900.00 – $2,100.00 (exact value never revealed)
product category INSURANCE_HOME
asserted status ACTIVE
settled on or before 14 Mar 2026
proof bytes zkproof_nrma_settle_f2w8n5l...

How to verify this offline (for auditors)

  1. Download the JSON: /api/receipts/F2W8N5L
  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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