DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
CIVIL AVIATION AUTHORITY OF THE PHILIPPINES - ILOILO AIRPORT Award a ₱3.8M contract to JUAN TONG & SONS BUILDER CORPORATIONNational agencies
Transaction hash:
be2b09ef29159af6fbaa975b5e4160f98cb1cf670fe103f5179ab22873cf572b
Status:
Included and unchanged
Block:
#3,275 2,738 blocks after it
Position in block:
Transaction 537 of 709
Award day:
Dec 15, 2017 (8 yrs 10 mo ago)
Value:
₱3,760,550.00
Project:
CILO 1739
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #3,275 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)CIVIL AVIATION AUTHORITY OF THE PHILIPPINES - ILOILO AIRPORT awarded it to JUAN TONG & SONS BUILDER CORPORATION on 2017-12-15.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored be2b09ef29…cf572bnow …
- 2. Block Merkle root changedstored 818483a319…5b62a3now …
- 3. Block #3275 hash changedstored f0795061a5…c69b05now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 708 records. Each step hashes the current value together with the sibling shown.
- leaf be2b09ef29159af6fbaa975b5e4160f98cb1cf670fe103f5179ab22873cf572b
- 01 L be1a98e412c9d5563b3464a2b075fba4c73050d2505123dd1d68b9248ada116c
- 02 R 875fab370b244f8955d4c17802653a4f021da604cc6d60bc9124e3d708672533
- 03 R 1780702f9161409d4dacb53e9bf7ebf7466ecf335e1b38f4b46525236a919057
- 04 L 0126aecac0dc6242afb23f26b20633be9f2fa997f67c8df50ea46dbbfffc01df
- 05 L d7e0ce5cd7f30feb188df5f7f02ddd26ded703c339052a1d8ad27cdbdff016f2
- 06 R 31a02f71d5c56163c794e33e782d98d14e88dbacbf5001b59d423c4bfbec26d7
- 07 R 4e8768aa1bd91dd962224851bfa2851755ac35f38e362fe60c827bcd1a08c7ad
- 08 R 305e04888b057de4e176f47f3f9b7dcf8cfc0b4f59252b531ec5f9b2416aec99
- 09 R c802a2731d8f9e7926ada06f0484a7cf487d0f7640be287c04738132c4bf41d7
- 10 L 4b3e1e0a8d9382550144375215e5f64447e8da63f54837465f146aa3f37df6a8
- root 818483a319f0453bfca1781cb820a2469afe7bee96dfa488d0915b38905b62a3