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 - REGION XI Award a ₱141.1M contract to VICENTE T. LAO CONSTRUCTIONNational agencies
Transaction hash:
459ae0d2b5b667e424115edc24a979ca5782e0bb27b28e8e4287244f8c6ade67
Status:
Included and unchanged
Block:
#4,454 1,559 blocks after it
Position in block:
Transaction 69 of 208
Award day:
May 19, 2021 (5 yrs 5 mo ago)
Value:
₱141,060,523.50
Project:
21L00157 ROA, NOA, Contract & Notice to Proceed
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 #4,454 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 CSSP", 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 - REGION XI awarded it to VICENTE T. LAO CONSTRUCTION on 2021-05-19.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21L00157: 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 2023-03-31). 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 459ae0d2b5…6ade67now …
- 2. Block Merkle root changedstored 2af46f1668…7eac57now …
- 3. Block #4454 hash changedstored b0756c86c4…b173danow …
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 207 records. Each step hashes the current value together with the sibling shown.
- leaf 459ae0d2b5b667e424115edc24a979ca5782e0bb27b28e8e4287244f8c6ade67
- 01 L 430087f0b756b1d9dabbb462efbc21623901387eb0f48ee6fd562646fe0fb469
- 02 R f690f56d867b98230021db6816a2ecd5738eb0d9050d27f0d5a2f8c7d1b0a8f4
- 03 L 10ffc5e173bb00e541052a9c548b97f7729accd028d7a8921b7c0e565a5cf8af
- 04 R 2167a1c562c07799c0754f50fb170a0023ce9dc2f504995dbc2a2b7faedc6f23
- 05 R 85d76cfcd408bbcf31f98ce1c9d157261756b108c29a7b111ca291f5b37bcd0f
- 06 R 3e251a10d0008748ceafd7ed3135092b6839d93b3bdab8840ffc204afaccabce
- 07 L eed0e56b7e20b833fbd7a5ee519d6eede37fc87a54fb9fedde30b7604665b202
- 08 R a9c7e43663731139707135ea72484726c61190383027d887a7be103c12d3b4c8
- root 2af46f1668b84811fe66c84eb0d031d1d6b9c9208f5f098d70214ed8557eac57