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 - DAVAO ORIENTAL 1ST Award a ₱32.4M contract to O.G. SANTOS CONSTRUCTIONNational agencies
Transaction hash:
b6ac7dcbbedbd45bbf1f289d423f0bf21cb502440a82a1430f8d4b015a1ef775
Status:
Included and unchanged
Block:
#4,529 1,484 blocks after it
Position in block:
Transaction 181 of 259
Award day:
Aug 5, 2021 (5 yrs 3 mo ago)
Value:
₱32,369,542.11
Project:
21LF0090
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 #4,529 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 OO-1", 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 - DAVAO ORIENTAL 1ST awarded it to O.G. SANTOS CONSTRUCTION on 2021-08-05.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21LF0090: 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 2022-04-13). 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 b6ac7dcbbe…1ef775now …
- 2. Block Merkle root changedstored 79a0959975…90d0c2now …
- 3. Block #4529 hash changedstored b67c8a284e…3ba950now …
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 258 records. Each step hashes the current value together with the sibling shown.
- leaf b6ac7dcbbedbd45bbf1f289d423f0bf21cb502440a82a1430f8d4b015a1ef775
- 01 L b5f6cc13148c054354e66c02ea48bca406e168dcede18cb0ab7daa4b58c4cf1c
- 02 R e93abfef7bbb886180a185b5515525ecefc6301036a26bb304ba6a20bd901f71
- 03 L 1b2ecf206518e6a8f0f54d0cfef9d859d6e7be1ecb679bd42e6f03198358ac81
- 04 R 9d0e2f38658cc2993d3b5d42c455e73984ed790acb646e2566af4a368ed565eb
- 05 L f68b21ba99c0e0f479e40fcfad0cbe21298cc7e43213642c6a98175b9ed4373a
- 06 L 12641e25e9f13d2aa7ee7386cacfc1c625de4dfe1cd13fdefee5ce7934ac8951
- 07 R 0b197dc5c58490804eefe28bf2c558eca5df7b44aac167488c56e37193182103
- 08 L f0e097962abee2040dfaf4052f80acd5b937e3cea190fb8764909ef210a66fb5
- 09 R 84efbfd620bf53297601c1b431d0f499f9f1ac4080d0c037692e8372974b8e96
- root 79a09599753884ca33010315cc78f1a7106fc5a5428289cd38e30cecf790d0c2