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 - BILIRAN ED Award a ₱39.1M contract to COLLERA CONSTRUCTIONNational agencies
Transaction hash:
b4d5fa0bfeefa157a5a94cbdd38af09958b1ec354083dba479d9cef2b2f6a034
Status:
Included and unchanged
Block:
#5,791 222 blocks after it
Position in block:
Transaction 67 of 100
Award day:
Mar 5, 2025 (1 yr 8 mo ago)
Value:
₱39,144,533.82
Project:
25IA0039
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 #5,791 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 2025 OO-1", i.e. the FY2025 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 - BILIRAN ED awarded it to COLLERA CONSTRUCTION on 2025-03-05.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 25IA0039: 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 2026-03-06). 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 b4d5fa0bfe…f6a034now …
- 2. Block Merkle root changedstored 2707007d19…4311eenow …
- 3. Block #5791 hash changedstored be6d049d91…a4c5b8now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 99 records. Each step hashes the current value together with the sibling shown.
- leaf b4d5fa0bfeefa157a5a94cbdd38af09958b1ec354083dba479d9cef2b2f6a034
- 01 L b36bb9f69459a60c1c67a853dee3a1f0c3c075d25efa5c9adff98c1644ffbc1c
- 02 L 4512837481f2e28fb1111f7610a82cba9854a44b90ad87dce4a2cc985889543d
- 03 R 79932c0cc0a145d1e9fbf3d61299fceea05c5f92e9fe36d9b7226886b3ed4035
- 04 R b3b47ad4a19acd3f25b231a1aaa499a9b263a0d2b78adfe805f0ef0e815f20e8
- 05 R 3b3c62227f550923887546461f7fe1441ccf5956c3290b34b20b4fb62897349a
- 06 R 0adaf873711c627d64a50106b7284bc984bb9fc10c6746f480037985680b19c0
- 07 L 8e012337e404af3fcd5244775399ea1b09e1fad890f6f9396214d2d93a18f704
- root 2707007d19b19c0f2ea691136f809e59b322041368128e48681f47d8394311ee