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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LA UNION 1ST ED Award a ₱2.2M contract to ARM ASIA CONSTRUCTION & ENGINEERINGNational agencies
Transaction hash:
a00a035e7f57336035f4ae45062c9df19415f3c7e5ae6df2b824a124ae8bc5ef
Status:
Included and unchanged
Block:
#5,162 851 blocks after it
Position in block:
Transaction 241 of 375
Award day:
May 23, 2023 (3 yrs 5 mo ago)
Value:
₱2,248,292.06
Project:
23AE0079 CIVIL WORKS
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 #5,162 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)DPWH lists the funding source as "Regular Infra - GAA 2023 CSSP", i.e. the FY2023 GAA. The exact UACS line is not given.Partly
- 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LA UNION 1ST ED awarded it to ARM ASIA CONSTRUCTION & ENGINEERING on 2023-05-23.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23AE0079: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2023-07-27). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 a00a035e7f…8bc5efnow …
- 2. Block Merkle root changedstored 4db0a3f1b1…8e41danow …
- 3. Block #5162 hash changedstored 433a911435…463455now …
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 374 records. Each step hashes the current value together with the sibling shown.
- leaf a00a035e7f57336035f4ae45062c9df19415f3c7e5ae6df2b824a124ae8bc5ef
- 01 L 9fc976ccb32b4eacc0608b62f55c064a2f70fb03b542136807f4c313ae8ef24d
- 02 R b0c9ca0e754d7f0c5463e26764c77774c4710463428fd49d4583cb8de99665d0
- 03 R d7c1230da3e2e7e3c9efbe1e5356238c1ec7f17a9959e3897fcdf3168887f8b6
- 04 R 5db72ca3ff0187aeae55bf7615614f69c271c6e9d645c3eb5a20ca1d9aa13224
- 05 L e1bcef04338bd76bcae15baf9b2f2f078aebbc31cb096bbe26bc6f95b09939f9
- 06 L e59224df25a4131e8677a47a4902181893c02da43b30f120a79f02def7b7ca9b
- 07 L 62a0d6c06860bd9aedd0893071e0012dea1618045c8ea530896ea2b4c8ed0710
- 08 L a5ed5cb2a81c137f597a2bdeb19f99d568d06d6449d9c635012419dedacc6247
- 09 R 9db6c3539ab5c4a5c028a05e3ac831a398123ad8faa33d93b092c0bc6595770a
- root 4db0a3f1b10ad7398b6db2b1ec8c4462e1bb9916f3ba6bc91da54dc03e8e41da