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 X Award a ₱77.6M contract to GRACE CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
544729f9d7bfb4b1f2741b10dbcc0e80c86b55e2b6da2b3109d71e2a2261252a
Status:
Included and unchanged
Block:
#4,515 1,498 blocks after it
Position in block:
Transaction 61 of 190
Award day:
Jul 22, 2021 (5 yrs 3 mo ago)
Value:
₱77,598,580.62
Project:
21K00251
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 #4,515 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 OO-1", 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 X awarded it to GRACE CONSTRUCTION CORPORATION on 2021-07-22.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21K00251: 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 2023-04-24). 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 544729f9d7…61252anow …
- 2. Block Merkle root changedstored 7a370e1bfa…bcf15bnow …
- 3. Block #4515 hash changedstored 86fc3809d2…107a6anow …
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 189 records. Each step hashes the current value together with the sibling shown.
- leaf 544729f9d7bfb4b1f2741b10dbcc0e80c86b55e2b6da2b3109d71e2a2261252a
- 01 L 54255873cb018bd98124788a9df54f0f2f2e199d91144517fdb7961704cff452
- 02 R 15e35889c063289f441131de5dd66459fa51a896cc8460b29e90f2262f6b5c7b
- 03 L 6d46af90abef254816afdcb3082597c80c31bbe3145e6b2d9acd3ea4500cead4
- 04 L 1447c23474065593eee799d56507e157eca4eeb4e7b808f3e2fa96c00beda06d
- 05 L 5378993c8c85969729f97686b3384d5cb112ce977d051943bc7c3121ff51a075
- 06 L f54f9030f14e10626f2b356daf1fecd03495665c1930d2418f363184f9f4b9d3
- 07 R 1abe1098d80c7f1e97496b46c69230f26ed3bb22bc482c3881b1a9737e64bb41
- 08 R 4d9b277a29ae3ec4073059633b788e2c96d8906f5cbaeec706244063c7ca5b79
- root 7a370e1bfad131b286e1e6d3a3464c8a04acf4075eb56e3cc5d23c75f0bcf15b