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 CITY DEO Award a ₱56.2M contract to LEGACY CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
7ea9ea11f35a4cbe06b82f73178341058008522f33e1bbd7e87322884dfa45f8
Status:
Included and unchanged
Block:
#4,536 1,477 blocks after it
Position in block:
Transaction 95 of 200
Award day:
Aug 12, 2021 (5 yrs 3 mo ago)
Value:
₱56,162,999.98
Project:
21LB0114
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 #4,536 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-2", 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 CITY DEO awarded it to LEGACY CONSTRUCTION CORPORATION on 2021-08-12.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21LB0114: 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 2023-08-26). 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 7ea9ea11f3…fa45f8now …
- 2. Block Merkle root changedstored 39fd2c8a83…8d797fnow …
- 3. Block #4536 hash changedstored ac12eb3407…e5f9c0now …
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 199 records. Each step hashes the current value together with the sibling shown.
- leaf 7ea9ea11f35a4cbe06b82f73178341058008522f33e1bbd7e87322884dfa45f8
- 01 L 7d1c95bb85c91afb21e9c6db00764f7a0834d0c5a133d00e4450f21e215a6fb0
- 02 L d0499a0564eddc5fb7140b777bd48cd72c0caf195d9e519554ddafcc6f668734
- 03 L 28fcbc52d2294ea936ee894ccc08bff1253c6d7da58a2893f3ecd978f8832dab
- 04 L ea0aa2b2de0ac4c929fa1c5fe4cf7111bccef5b3960f5cc3d1c6199f3cbf9182
- 05 L 93dbcc0a02c6cb5638dfc961eb5c29531aac1358d7bc75fe711ef90936ca3290
- 06 R 08f881185c1009d57ea9fb08e006c15fe935b0844c1537fa88775383137dbe19
- 07 L d46d6053228cb54f28fe06e5860d6f2f45d4c008e1362ff50d7bc868e4cbc613
- 08 R 86687e89628132fbba53e06f88f59c6f7ae8249278b9f04aa9279483d72536f8
- root 39fd2c8a83a1a500c0e1f37c3b7ef17f612096ca4cada00a644a2d67038d797f