Cryptographically verifiable

Receipt C8R2P5J

Mathew P. referred Chloe R. to BPI Sydney.

Verification result
Receipt C8R2P5J · rh_c8r2p5j_88934_d…b2f5c8a1
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.
RefereeChloe R.
Vertical Accounting
PartnerBPI Sydney
Intent signed05 Feb 2026, 11:00 am
Receipt statusSETTLED
Commission amount$40.00

Causation chain (5 of 5 core handshakes)

1
Referrer intent signed
05 Feb 2026, 11:00 am
"Hey, I referred you"
Biometric-bound Independently witnessed · period #3 Hash chain OK
signed by Mathew P.
device Mathew's iPhone 15 Pro · iOS Secure Enclave
sig (ES256) sig_es256_intent_c8r2p5j
event hash eh_intent_c8r2p5j_b8c0d2e4…c8d0e2f4a6
prev hash (genesis of this receipt)
block merkle root mr_88712_c3d4e5f6a7b8c9d0e…c7d8e9f0a1
2
Referee acknowledged
05 Feb 2026, 11:08 am
"Yes, I got that referral"
Biometric-bound Independently witnessed · period #3 Hash chain OK
signed by Chloe R.
device Chloe's iPhone 14 · iOS Secure Enclave
sig (ES256) sig_es256_ack_c8r2p5j_chloe
event hash eh_ack_c8r2p5j_c9d1e3f5a7b…d9e1f3a5b7
prev hash eh_intent_c8r2p5j_b8c0d2e4…c8d0e2f4a6
block merkle root mr_88712_c3d4e5f6a7b8c9d0e…c7d8e9f0a1
3a
Partner intake witnessed
16 Feb 2026, 01:00 pm
"Partner confirmed lead in"
Biometric-bound Independently witnessed · period #3 Hash chain OK
signed by Tom W. (BPI Sydney)
device Tom Williams (BPI Sydney) · iOS Secure Enclave
sig (ES256) sig_es256_intake_c8r2p5j_tom_bpi
event hash eh_intake_c8r2p5j_d0e2f4a6…e0f2a4b6c8
prev hash eh_ack_c8r2p5j_c9d1e3f5a7b…d9e1f3a5b7
block merkle root mr_88712_c3d4e5f6a7b8c9d0e…c7d8e9f0a1
3c
Partner settlement witnessed
17 Feb 2026, 08:13 am
"Yes, that referral converted"
Biometric-bound Independently witnessed · period #3 Hash chain OK
signed by Tom W. (BPI Sydney)
device Tom Williams (BPI Sydney) · iOS Secure Enclave
sig (ES256) sig_es256_settle_c8r2p5j_bpi_witness
event hash eh_settle_c8r2p5j_e1f3a5b7…f1a3b5c7d9
prev hash eh_intake_c8r2p5j_d0e2f4a6…e0f2a4b6c8
block merkle root mr_88712_c3d4e5f6a7b8c9d0e…c7d8e9f0a1
4
Referee confirmed outcome
18 Feb 2026, 08:30 pm
"Yes, Mathew deserves their commission"
Biometric-bound Independently witnessed · period #3 Hash chain OK
signed by Chloe R.
device Chloe's iPhone 14 · iOS Secure Enclave
sig (ES256) sig_es256_outcome_c8r2p5j_chloe
event hash eh_outcome_c8r2p5j_f2a4b6c…a2b4c6d8e0
prev hash eh_settle_c8r2p5j_e1f3a5b7…f1a3b5c7d9
block merkle root mr_88712_c3d4e5f6a7b8c9d0e…c7d8e9f0a1

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-BPI-001 v1.3.0
partner BPI Sydney
declared value bucket $800.00 – $1,000.00 (exact value never revealed)
product category BUILDING_INSPECTION
asserted status ACTIVE
settled on or before 17 Feb 2026
proof bytes zkproof_bpi_settle_c8r2p5j...

How to verify this offline (for auditors)

  1. Download the JSON: /api/receipts/C8R2P5J
  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)

No login required. This page is publicly accessible by URL. You can share this link with ASIC, AUSTRAC, your accountant, or a court — they can verify the chain themselves without trusting Flip 360.

Watch this receipt verified in your browser See the cryptography at work →

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.

View the chain →  ·  See the cryptography at work →