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 - NORTH MANILA DEO Award a ₱7.7M contract to JJPR CONSTRUCTION SERVICESNational agencies
Transaction hash:
aa7898f73ba9e95d8fbe3d2e14f6fbfd2851b9c8a24965dcbc7583f809334dd3
Status:
Included and unchanged
Block:
#5,061 952 blocks after it
Position in block:
Transaction 194 of 297
Award day:
Feb 8, 2023 (3 yrs 9 mo ago)
Value:
₱7,653,319.97
Project:
Construction Projects
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 #5,061 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 OO-2", 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 - NORTH MANILA DEO awarded it to JJPR CONSTRUCTION SERVICES on 2023-02-08.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23OE0136: 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 2023-06-16). 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 aa7898f73b…334dd3now …
- 2. Block Merkle root changedstored d2a95a052d…453993now …
- 3. Block #5061 hash changedstored 9dd7f3ac3a…83f563now …
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 296 records. Each step hashes the current value together with the sibling shown.
- leaf aa7898f73ba9e95d8fbe3d2e14f6fbfd2851b9c8a24965dcbc7583f809334dd3
- 01 R aa88eba32d71d00f1785832b2a1470dd174e8aebd36027265a76e159bb1f72f6
- 02 L 0dbbbbb7a55d51e48be3ba45d10738d4b3378b3c89566070d1325d118923b6da
- 03 R 4fc4a28085a60b423e22a0609f1fdf1804552d84a148dc4e11eec584c2f246ca
- 04 R 367d5da5c38c6ac4de33e0cbeb55e3188e77473221d6f41c386f60e5304ca9b6
- 05 R cc4b0f3385c1facb20f597ee6c8012b30bd16190d3445f1227b8a3f2ab7a19fb
- 06 R c3fb5b84e9bc6639f77d479f587e05376944efdaed38d94804384bf154b6b691
- 07 L 1ab5e978405c32f399a741290766a6cb2703f0f935172de1bf53930b50dd472d
- 08 L 6c0b81214e46abb771f83fe994ceaade5e7d67a982c7859af68dfa9177aff988
- 09 R 6a03ce0d47d5ee66ee271a9fa7b3d138167c170d5d4a318fc01c321a915add3f
- root d2a95a052d92a5f47d41a920b6499beed70ddc4ee15c4a4d39870f561d453993