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 DEO Award a ₱38.4M contract to A.Y.U. ENGINEERING AND CONSTRUCTIONNational agencies
Transaction hash:
fbcbc5d46a9ea7ee74347718c9b73d8920eb3fadc473350ee391d57c2f8b7585
Status:
Included and unchanged
Block:
#4,613 1,400 blocks after it
Position in block:
Transaction 387 of 392
Award day:
Oct 29, 2021 (5 yrs ago)
Value:
₱38,396,852.65
Project:
21LB0258
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 #4,613 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 LP", 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 - DAVAO CITY DEO awarded it to A.Y.U. ENGINEERING AND CONSTRUCTION on 2021-10-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21LB0258: 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 2023-06-30). 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 fbcbc5d46a…8b7585now …
- 2. Block Merkle root changedstored a3a1ca0c07…abf217now …
- 3. Block #4613 hash changedstored e585a2440c…eee2f8now …
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 391 records. Each step hashes the current value together with the sibling shown.
- leaf fbcbc5d46a9ea7ee74347718c9b73d8920eb3fadc473350ee391d57c2f8b7585
- 01 L fbc8bf456d222a80b9443ee55310da7a59438ee57648442b5eae5653dd9609c2
- 02 L 98b30c34406afc7b57f41390efd4402e37be8a9521ffc73bb12a2b0cbe78bd33
- 03 R b1d9672b6c1d2b071d405b5843eb9a1b612b789d3de6c07075f2247e29be508d
- 04 R 7dd4d0c0c44e8d9a1ed2c9f3c68bd70759386bae30cf3c2999537bdd42ebf327
- 05 R 78da86b953a9692064bf0efaa72ab55f3e4860ef31b0643a70d53a88e7669ca7
- 06 R 6c64b2605b4a662d4ccbc6c526a922b368be2ad58b5758cfe9500ebbb69ddc54
- 07 R f05eefc1c5e79bcc363d15bafadb30ae40e1e8580501a2a65fb25deb9582bfc7
- 08 L 9310db815f1f833f80e940aeebf3f1f12a43e1d1d0188777f3ab88ff456bc4f1
- 09 L 3b6ea2c4d8bc39e0dd9855a4194c1b80115f6259a754bf9c146e001a93a74145
- root a3a1ca0c07013cb000b0f5bc716421ed2eaabbd98e2456db5a5e0293d0abf217