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
CITY OF DAVAO, DAVAO DEL SUR Award a ₱96.9M contract to LAK-K BUILDERS CO.Cities
Transaction hash:
8a31befc4727ccdd960a5320f4642a303d4409c9814f09dfa52fb7964e9a36f2
Status:
Included and unchanged
Block:
#5,786 227 blocks after it
Position in block:
Transaction 586 of 1,023
Award day:
Feb 28, 2025 (1 yr 8 mo ago)
Value:
₱96,850,791.70
Project:
Infrastructure B01-2025-01
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 #5,786 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)CITY OF DAVAO, DAVAO DEL SUR awarded it to LAK-K BUILDERS CO. on 2025-02-28.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 City of Davao 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 8a31befc47…9a36f2now …
- 2. Block Merkle root changedstored 01b33dcc04…e75c38now …
- 3. Block #5786 hash changedstored 7ea2a97090…f2e225now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,022 records. Each step hashes the current value together with the sibling shown.
- leaf 8a31befc4727ccdd960a5320f4642a303d4409c9814f09dfa52fb7964e9a36f2
- 01 R 8a63b8bec899d6aa29c4a67850b02576c88185da1bc527c8f9ac3d1179477aa3
- 02 L 89b878ddcb6bd31045cc6959f624c3ddcd09b63f42ca7641bb3baefe2a9b3779
- 03 R 68b7c913fd24d1311b851de0ab545e88c7defd7b3f2dfb385d0b15c5c720a60f
- 04 L 4d191dcb20c334e554ca55d3914eeb0d9c86361158edfab032eb2e594619b7a2
- 05 R ebfdbedee400ac8890cbd44f41bcb298b2300cdac4b5fd8df2be69d21f7e4f92
- 06 R c7c483bbef4d9bc941f11ee8556e519790478b9eebb9107168473e824856d5a8
- 07 L f5d6cd35644107b954f2e228151d83d2f1bb6d84e7feb0a9fbf67a93dc82d43c
- 08 R 6708e69749d99f587259013a97c3fc0878ada136cdee6a1f77445d8a92bab846
- 09 R e3211e5720cf9925c06fbf0dfefe5721de273487be74cf3f34254bbc21219c0a
- 10 L ea255f35da558a3accb7be2d30d1d6de3b03bc74fb36157da5f478694cc33b45
- root 01b33dcc04c24d67d772a36cb99c4c229b1e063c2d039dd1fcfe0831f4e75c38