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
PHILIPPINE PORTS AUTHORITY - REGION VIII Award a ₱286.4K contract to H.A.H. REVERIE CONSTRUCTION CORP.National agencies
Transaction hash:
8a07a3d91c16c4830fc53e62ebdb08b053dc9fc382a603cd6af2b8664c2c0bb9
Status:
Included and unchanged
Block:
#5,949 64 blocks after it
Position in block:
Transaction 145 of 287
Award day:
Aug 29, 2025 (1 yr 2 mo ago)
Value:
₱286,362.50
Project:
CONSTRUCTION PROJECTS/PORT OF CALBAYOG
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 #5,949 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)PHILIPPINE PORTS AUTHORITY - REGION VIII awarded it to H.A.H. REVERIE CONSTRUCTION CORP. on 2025-08-29.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 8a07a3d91c…2c0bb9now …
- 2. Block Merkle root changedstored f710f834a5…263edanow …
- 3. Block #5949 hash changedstored 90496ed513…1a3193now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 286 records. Each step hashes the current value together with the sibling shown.
- leaf 8a07a3d91c16c4830fc53e62ebdb08b053dc9fc382a603cd6af2b8664c2c0bb9
- 01 L 8990d97e7dccda78e3416274bd3c206ea962a4bdd1114c60926dc3d62a67fcca
- 02 R 80eb9cd9929c491d2ee1b7fc9155c53ebcc2257f93732f07c7c29052b79ac9cc
- 03 R afbe9f64ff56fd67592dffa183621a83f6e44dce10d3a208e4596cb1c48827bf
- 04 R baa18ab1ed7a13c5e6c9e3b1314bb9de744e4791d2452f4b6fb67f87c528dd37
- 05 L 47cb16f6a6091e8ed6bb5692afa9b44b70ba6f9faf4af128f0d0834695a9b3f7
- 06 R 7111df3f0dc8350cf4a8a99b8f218c1985caf80cd840e0a8f0bd0bd4397e34b1
- 07 R bd8522660ace87f6f157ee38626ee5180c39cb60cd705472e89c7f6db18bbb89
- 08 L 1a79acb56b1a04f8b9937d702d935c042ff0c5e0d1c25bf16d1f203a3205da60
- 09 R 482276ae07b5701d8031e3a8a506e80e437f76ac09f8c719e4b658fedb4c7569
- root f710f834a5f45c3e3d4d2ef272b9c90068b2c4085c7a425483ddd27d05263eda