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
MUNICIPALITY OF NARVACAN, ILOCOS SUR Award a ₱1.1M contract to AMBROCIO CONSTRUCTIONMunicipalities
Transaction hash:
0da73c1dead3790aa105abcf81e257270f4e598bea9589f9225fbb9be4011c21
Status:
Included and unchanged
Block:
#4,514 1,499 blocks after it
Position in block:
Transaction 15 of 315
Award day:
Jul 21, 2021 (5 yrs 3 mo ago)
Value:
₱1,104,178.73
Project:
Construction/Rehabilitation Of Agricultural Post
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 #4,514 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)MUNICIPALITY OF NARVACAN, ILOCOS SUR awarded it to AMBROCIO CONSTRUCTION on 2021-07-21.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)COA's CY2024 audit of Narvacan gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 0da73c1dea…011c21now …
- 2. Block Merkle root changedstored e20263e9c4…677708now …
- 3. Block #4514 hash changedstored b971c7bf85…0bc90bnow …
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 314 records. Each step hashes the current value together with the sibling shown.
- leaf 0da73c1dead3790aa105abcf81e257270f4e598bea9589f9225fbb9be4011c21
- 01 L 0d9a2d8c6dc013519d2d68acecc062bce785b3f0d4bc20a6eb80607f98ebfc20
- 02 L 9f0ab67d57c83f782fd83dfcc37616f1b6e25fdb90e36be2f1429d44bc65d7d5
- 03 L 8d02cb79dd400769994722576005a8e73b8fb3ec450134e20ac55275b56c40e5
- 04 L aa64ced4bdcd65524bb35436e3b9d97eb03cf5973b84bd8a734cdc2e5c62e829
- 05 R 8f429cf3b0bb2ad6d53e384e87bdb96f02db0e69c712800fec2b5886d2981e30
- 06 R dba2829fb85dac4c037d1c8a306d7c92a1df2142fe86ae216cf673b5b3bff0d1
- 07 R 2a2b93733e3e3ec4168c689bc1c6ccb8c92cb79b59746f047dbcba211f5774d4
- 08 R 87abfef7dbfa993b517c530019a4a1e5fc85ed85aa84c4c0880f1784eca42be8
- 09 R 28dbf0e70ea2e5e042cbf6b70211f1c9ead32006b2774eae6349491e6c660b30
- root e20263e9c48d1f64cdb07479ef09ff90209c57643af95835c22a159697677708