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 - AKLAN DEO Award a ₱4.8M contract to E. L. CHAN CONSTRUCTION AND DEVELOPMENTNational agencies
Transaction hash:
1dc2cd7f5db3b5914b42e07551ffa9adfd0fc59f0f784b4a5572f820ff131fe2
Status:
Included and unchanged
Block:
#4,578 1,435 blocks after it
Position in block:
Transaction 31 of 289
Award day:
Sep 24, 2021 (5 yrs 1 mo ago)
Value:
₱4,804,290.23
Project:
21GA0213 - Construction/Rehabilitation of MPB
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 #4,578 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 - AKLAN DEO awarded it to E. L. CHAN CONSTRUCTION AND DEVELOPMENT on 2021-09-24.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21GA0213: 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 2022-03-30). 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 1dc2cd7f5d…131fe2now …
- 2. Block Merkle root changedstored 3da9c712f7…ce9f71now …
- 3. Block #4578 hash changedstored ed079e13f9…586093now …
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 288 records. Each step hashes the current value together with the sibling shown.
- leaf 1dc2cd7f5db3b5914b42e07551ffa9adfd0fc59f0f784b4a5572f820ff131fe2
- 01 L 1b7e30b8742342ede37871f74e66d2b614f7462e37dc1f8ac896794c2833d2fd
- 02 L 65283976f4f1229aa86b7dcf275e293aae1105b032ff9230eb12bf34eae6b7d1
- 03 L 22aa766f10a6962921bcbdbd9deb5b753def7eed0dfd65354eefef7cece163d6
- 04 L 823758a8626ce9dcf7ec2300016d98c2359be784331c6183423bc3e5d50fdc73
- 05 L 9c7a62df1d9d92a2af7769442cf97b2f63d93468e0d6ada25097958f1ebbfe33
- 06 R c00d9c9e119de0c60289c3ffe2d2e4497a608511f93135054efa5433a4040b32
- 07 R ca43aed5c2894aedd79d0707c3f741b654b862f91a23b01cde242670d194d5b8
- 08 R 7a9e2d9b0eb6fef772d9a3dd37877864b57b30f0212b54899c1bfb3db8741928
- 09 R 70e39922aa02743d24649434103a05b70387e6aa5bf52a51b30f82e14d88aebd
- root 3da9c712f7a6516d477b093ec080bc9be39e5ef0373a5a2d693ee657e5ce9f71