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 - CEBU CITY DEO Award a ₱11.9M contract to LA PRUEBA CONSTRUCTIONNational agencies
Transaction hash:
89b8dafab7c13b1c3bf080d12878ed2ab61dc7b614a70e7ffb9e8e11569f581e
Status:
Included and unchanged
Block:
#5,168 845 blocks after it
Position in block:
Transaction 203 of 423
Award day:
May 29, 2023 (3 yrs 5 mo ago)
Value:
₱11,910,000.00
Project:
23HH0094
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 #5,168 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 "Outside Infra - GAA 2023 DA FMR", i.e. the FY2023 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 - CEBU CITY DEO awarded it to LA PRUEBA CONSTRUCTION on 2023-05-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23HH0094: 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 2023-12-10). 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 89b8dafab7…9f581enow …
- 2. Block Merkle root changedstored 270dd4e3a3…d659abnow …
- 3. Block #5168 hash changedstored 8c5452f783…8c9619now …
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 422 records. Each step hashes the current value together with the sibling shown.
- leaf 89b8dafab7c13b1c3bf080d12878ed2ab61dc7b614a70e7ffb9e8e11569f581e
- 01 L 88af1e95a2f60ffec230b6dc926deaff9f620d8bc3dbfd366bfe9fb46b455b66
- 02 L 0191e41a5aa50592b44475307c6f5bda1aed3fa872948b709092f8250edfd033
- 03 R b6206a7db9b9db46ced91217d7a55f5d9a0f05df54367c8dee585e74bc8f40b2
- 04 L 94d8dbd665ce9af778e7c2b6c30146872ff73f4301d1f869b23f810867f0a30a
- 05 R f20a8a73078d53763db644b99efc9758732d47a89872ba223d972dd2409e7478
- 06 R f6682924ca3e212d628ed6a54f28e7141e2b236c8494bdd84fc4dac37b7fdffe
- 07 L c06fd5532f71ddf157ffbd767ca323259b594202904257c75fe0e51aa483ffd8
- 08 L 160299ebd0c994947484a1e5cbfadc015089d7731b6573e4551aa9c6619a616d
- 09 R 852f5a7828bdafcea5d3d5cf549f57a43fb2f4f64513439febd6a147e872d529
- root 270dd4e3a355f0216ce41c1352a0656305f6d5b1ad6f7333e3e1746d46d659ab