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 BAYOMBONG, NUEVA VISCAYA Award a ₱171.2K contract to DERCA CONSTRUCTION & MANAGEMENT SERVICESMunicipalities
Transaction hash:
3cb6700a172ba8f9b2b5a20de458a484d8cadf787f9bf804311306a4bd88d297
Status:
Included and unchanged
Block:
#2,619 3,394 blocks after it
Position in block:
Transaction 110 of 469
Award day:
Dec 28, 2015 (10 yrs 10 mo ago)
Value:
₱171,219.68
Project:
PROCUREMENT OF 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 #2,619 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 BAYOMBONG, NUEVA VISCAYA awarded it to DERCA CONSTRUCTION & MANAGEMENT SERVICES on 2015-12-28.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 Bayombong 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 3cb6700a17…88d297now …
- 2. Block Merkle root changedstored e84ff1aae3…afe585now …
- 3. Block #2619 hash changedstored 74fd053134…314b73now …
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 468 records. Each step hashes the current value together with the sibling shown.
- leaf 3cb6700a172ba8f9b2b5a20de458a484d8cadf787f9bf804311306a4bd88d297
- 01 R 3cb8388f4fee2938c32370212b6bc6731dae52cc86bc60d85cfeba8d69f0b088
- 02 L 23d54fcf46635b64d1296a5d83f5018a52ef3286e7d3e25c2c2beaac07f387a7
- 03 L 011632b9616a704d778433c0a722b36505780ba86f169e4a0ed01c800a432b8f
- 04 L f5038f2f58288d4f2b5fb21de4da4516c99904bd27fdf33f8a9ccfac9d43ae91
- 05 R c31a80c08e574ce593f3053708c8a8db70017b1a185c953df0b9584c0a3e85d0
- 06 L 164bff4bf67a83dd52304e05ac6e536c9456ce8e18bb839c118c6ace060cf479
- 07 L e720a4ed28e68fec0d3ea2df82bff6e4d4042d706e6dcd81e64307c93db1bb10
- 08 R 11d72fc5a0f1e6046415ebfb7a8decb47c0292dbf44392ca5c548d90967f31e8
- 09 R 78e371e3602cf2bf178f2a0417cf5c2886dd495b7d52eab41506a5a90c02faf9
- root e84ff1aae35f7d85c30509f3363c58cbdc75f99e60965e106fb3acc40fafe585