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 - COMPOSTELA VALLEY Award a ₱30.4M contract to AAA ROCK CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
1504c4e60bd1b9dbb8e3ef1bf6a9d72cf4786e52f8e2db1a356be5b135360142
Status:
Included and unchanged
Block:
#4,544 1,469 blocks after it
Position in block:
Transaction 18 of 183
Award day:
Aug 20, 2021 (5 yrs 2 mo ago)
Value:
₱30,445,735.43
Project:
21LA0175
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 #4,544 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 - COMPOSTELA VALLEY awarded it to AAA ROCK CONSTRUCTION CORPORATION on 2021-08-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21LA0175: 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 2021-10-30). 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 1504c4e60b…360142now …
- 2. Block Merkle root changedstored bcda9eac4a…78ba96now …
- 3. Block #4544 hash changedstored 344e2af578…b5280bnow …
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 182 records. Each step hashes the current value together with the sibling shown.
- leaf 1504c4e60bd1b9dbb8e3ef1bf6a9d72cf4786e52f8e2db1a356be5b135360142
- 01 R 150c75893aca69844e0d964c2fdc52ba5d781be70d0c19bf8da19e7e054067c3
- 02 L fa069dab912bb7783db0793604a33fcf105b8f2da65df8429ede80fa8a8b710a
- 03 R e215fb0776d48232a7f7551da873583673f652d5d58f0e58ce1dd49e8a71ffcb
- 04 R d8cd55680d6473985570847c036635ba4186a4a5fdd3fe8085fb229956b6eb2e
- 05 L 588d011f5f633aaa531ea79fe0c3d52de1bf22f567ba38b90d061fa53c40b1b4
- 06 R 4397fc5a923335d1d31eefae5a21318727dc6fc12c6d48b888a32bce43200a7a
- 07 R 566a4564ddb94a1422fa498e4773c17e2eab102507035d3052b678a5c021b1a5
- 08 R a4d4ef77861356c672007d6f712f9c655b56cd006747a667e2cf1105934c79d7
- root bcda9eac4a9c64906fb1036df0a2a9813d4faf01b1f227ef622944cfa878ba96