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 - IFUGAO Award a ₱19.2M contract to MERJAN P. HAMBON GENERAL CONSTRUCTIONNational agencies
Transaction hash:
b907c1b4d957ecc4e99a7caf27d142ef3f0ecf7bf2605367013d4989e54be15d
Status:
Included and unchanged
Block:
#4,342 1,671 blocks after it
Position in block:
Transaction 121 of 187
Award day:
Jan 22, 2021 (5 yrs 9 mo ago)
Value:
₱19,200,000.00
Project:
21PG0004
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 #4,342 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 2021 CSSP", i.e. the FY2021 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 - IFUGAO awarded it to MERJAN P. HAMBON GENERAL CONSTRUCTION on 2021-01-22.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21PG0004: 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 2021-12-23). 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 b907c1b4d9…4be15dnow …
- 2. Block Merkle root changedstored 42e5032221…fee6a2now …
- 3. Block #4342 hash changedstored 1ad42ae749…42bc93now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 186 records. Each step hashes the current value together with the sibling shown.
- leaf b907c1b4d957ecc4e99a7caf27d142ef3f0ecf7bf2605367013d4989e54be15d
- 01 L b608e4d00b6cc2ea3b8d9d87d1b930328f84ef0f4135703a9f053b222f202134
- 02 R 15741e0d6798d12b7de254b8851e28264a46efc15699fe00cc8a708a0c7830fb
- 03 R ac8c4688c9d0de43d846975e26a2eb4b5775ea2db0713d9c80969e8aeb3c0340
- 04 L 39d105d303bed1acf4e5e615744557ff90c1c6023ea7af85b27168505e57a29e
- 05 L 16b633c397eddb4c6d0b39b8d544e3e6938a7bdb5beccc6e831c93971d1f9611
- 06 L 8c5899805b9fd36b0d97304d430ef60a7ae25ca1fbc686217250cd963c0a1852
- 07 L 6a3aeda5230a085a5505af211d495c7b925c5265505979b51129dcf423535182
- 08 R 21f75c287c2f5ca313ab81a387111ceb458b9e85c8d4b8c5c9865e4d939f85b8
- root 42e5032221554af94774e903c48002251160187d20de0ffd45293412bbfee6a2