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 II DEO Award a ₱49.7M contract to LAK-K BUILDERS CO.National agencies
Transaction hash:
14a80ff0e4ebdf41fc6112e7f02731b06c026a0083bbf575dd924146d732aaad
Status:
Included and unchanged
Block:
#4,527 1,486 blocks after it
Position in block:
Transaction 13 of 254
Award day:
Aug 3, 2021 (5 yrs 3 mo ago)
Value:
₱49,698,725.50
Project:
21LH0096
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 #4,527 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 "Outside Infra - Flood Control: Construction - Drainage (e.g., Closed and Open Conduits, Spillway), Roads: Construction - PCCP". 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 II DEO awarded it to LAK-K BUILDERS CO. on 2021-08-03.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21LH0096: 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 2022-06-19). 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 14a80ff0e4…32aaadnow …
- 2. Block Merkle root changedstored ed561c2f48…b8d9b4now …
- 3. Block #4527 hash changedstored e32e74b337…473351now …
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 253 records. Each step hashes the current value together with the sibling shown.
- leaf 14a80ff0e4ebdf41fc6112e7f02731b06c026a0083bbf575dd924146d732aaad
- 01 L 1394b9ccab9ece0919c8f1844c2904f58223e6d2543fd522b59bb8f79f1f95b8
- 02 R 5c34b8dabf4426fadb88d5942cf83ac7582f0803c97d92774653efb3c28f37b4
- 03 L 1e272da9ae64c0371d07b800e60f4486a5ea567b37df4a66cacc02004edf9a95
- 04 L fb62875ab139a33e52e63db55f24b7ac68521245cc330d9b695c0782a211b4a1
- 05 R a88b992cec7c6611e45f24a101fefebcbc8a82155a20e5919adcd35cceaabc1c
- 06 R ab00c564bb55f3d35407cdb15182c9674b8adeb42822aea2120d73c6b95bf20b
- 07 R 372e9031dc19759ef9f50e451ed920d35412515b24efdc566f3c67508fd9b02b
- 08 R f7f021f39ee5d4b2cdb115e84914e9d890a215001a818822461ddcde27e26111
- root ed561c2f48d84d1c083288267bddb7ba61701f7c87987f74e54372aba4b8d9b4