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 ₱153.0M contract to VICENTE T. LAO CONSTRUCTIONNational agencies
Transaction hash:
f87a679bb1c2bb95dd7f732c677dd8f9a58a03e766268020183a067318afc8f4
Status:
Included and unchanged
Block:
#4,494 1,519 blocks after it
Position in block:
Transaction 301 of 312
Award day:
Jun 29, 2021 (5 yrs 4 mo ago)
Value:
₱152,951,989.19
Project:
21L00129 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 #4,494 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 2021-06-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21L00129: On-Going, 96.86% 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 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 f87a679bb1…afc8f4now …
- 2. Block Merkle root changedstored f81700327d…4162eanow …
- 3. Block #4494 hash changedstored c78f7e8568…593b77now …
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 311 records. Each step hashes the current value together with the sibling shown.
- leaf f87a679bb1c2bb95dd7f732c677dd8f9a58a03e766268020183a067318afc8f4
- 01 L f82d060eee5026ec1295a209e57ba96fb31c16382afc95d9e644ff10539ea3a5
- 02 R b49b0dac214e3eaadd97ee300a232126a9ceebd97046168260302a1964edc7d9
- 03 L 631332b1a0646b979043899b188ef1865b84ebd9433acc01a1ee22d48ae920c8
- 04 L ac064b50bdabecdaf8861a55d6052b9124d6474f6ea4353107911c6c9b33e545
- 05 R 2f2defa54228e392b793293534085989a307d83da1c033f64f203cd6c4a92725
- 06 L 1f4fbf2a5f96c4b7bd590b745389581b2d24dadccd4af62b1f0469c920600bab
- 07 R 488dee28bf993a92a3e09f0d2aec6b0116da4cb066a4f338b17b24883f6adf8c
- 08 R 6accf896a3f08a5d916b1a792bd70aad9ace60ba5ba10951212f1cb05d7bc30c
- 09 L ff69444c07694fa45925657095e630425d571d663dc3de7866f204c258c83bce
- root f81700327d3121d13aed040270673625e01fff037c87b75f633c40fef14162ea