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 - APAYAO 2ND DEO Award a ₱14.2M contract to ASC CONSTRUCTION & CONCRETE PRODUCTSNational agencies
Transaction hash:
f5cff356cf5e6eb1096de088d9f2e481c02dcc6ed4beda8b55df5d8b1dc0da68
Status:
Included and unchanged
Block:
#4,720 1,293 blocks after it
Position in block:
Transaction 506 of 539
Award day:
Feb 15, 2022 (4 yrs 8 mo ago)
Value:
₱14,218,483.37
Project:
CIVIL WORKS
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 #4,720 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 2022 OO-1", i.e. the FY2022 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 - APAYAO 2ND DEO awarded it to ASC CONSTRUCTION & CONCRETE PRODUCTS on 2022-02-15.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22PC0048: 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 2023-10-19). 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 f5cff356cf…c0da68now …
- 2. Block Merkle root changedstored 477603c4ee…80f3a0now …
- 3. Block #4720 hash changedstored 85188031d3…b8bc03now …
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 538 records. Each step hashes the current value together with the sibling shown.
- leaf f5cff356cf5e6eb1096de088d9f2e481c02dcc6ed4beda8b55df5d8b1dc0da68
- 01 R f6226f935c5b922c6581159615d2b5b92404abadf764ca2aab934e04fee39c0b
- 02 L 34d34140aa5cd9324945c3fd5d91c28cfa24926f2b8b34ebc071fec3fee4cd9d
- 03 R 35031b92755da45dfa61dec9f689b9e80eec326f695d20ad9ac852fbd6eed59e
- 04 L 86eed9b50b60d0265d5de6575795019fe6d791f3d42fa198a464351f7935cae9
- 05 L dfa89433afd60ef1971e52ab4853dd8e0de9d6d0138aaf035139233ce6de7ce1
- 06 L 180183b79c3582b18f5f258aa297ab94991f3a98752746e67c26085afdef44d0
- 07 L c140042253394986b5398b5906573a720e5ad36f312836fa4090e434823bb073
- 08 L 70fc71e04dec786f39626236ba020a30c0d26497b837d124c3fb1df15eb4130f
- 09 L 62c149f44a893f413efa1e3cc0e6c62b225a1aef2bafb5d166eabe8b2da3d60a
- 10 R 1b6eb2ae1a9bec3aa085ca4243b98c441f0d3faba504148752620b0108441781
- root 477603c4eef6d32633301c72009f8dd6ec12eed866937f1e5ed4b2551d80f3a0