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 - REGION IX Award a ₱109.8M contract to MONTAÑO CONSTRUCTION & DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
2fd16010d048c896cd7a19ea707b2971a3dd60ad62963d8567cf59ebf43d02bc
Status:
Included and unchanged
Block:
#4,724 1,289 blocks after it
Position in block:
Transaction 14 of 50
Award day:
Feb 19, 2022 (4 yrs 8 mo ago)
Value:
₱109,758,253.17
Project:
22J00007
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 #4,724 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 2022 OO-2", i.e. the FY2022 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 - REGION IX awarded it to MONTAÑO CONSTRUCTION & DEVELOPMENT CORPORATION on 2022-02-19.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22J00007: On-Going, 93.95% 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 1 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 2fd16010d0…3d02bcnow …
- 2. Block Merkle root changedstored 62b98a7071…d8aabenow …
- 3. Block #4724 hash changedstored 3c3d5e5cdc…6ed456now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 49 records. Each step hashes the current value together with the sibling shown.
- leaf 2fd16010d048c896cd7a19ea707b2971a3dd60ad62963d8567cf59ebf43d02bc
- 01 R 39f7eead5f917940a8f2e597557b97fdd01e42760c1a8ddf52436f8ed198984a
- 02 L b0c7373a1e289b2a9d7b90c8832926b18ffcf0146b23ec4a17b2680db0107068
- 03 L a663a5c498704efb9af9a007499cdc2a0a1aebaa2ccfc3effe3e53e1688f8bb0
- 04 L 08cdb31c76ca3ad8937b586651f8dca8e6209532f02d31c1747f420af9de8642
- 05 R 16f55ed6f98383ea10c3205848d9cc3c78a632e2dee81ffa7b68513a7b192383
- 06 R 8c27cbdf6e5bf59af28a29204e52dbc7f4d965d5f3d514ebf2b8d84fcedfc4e4
- root 62b98a707122b2446bb33071ff07da2de70f7b7cb5aaba4f774136acadd8aabe