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 - PAMPANGA 1ST DEO Award a ₱4.6M contract to N-22 CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
f2f6a22bf84b83fb545c9eee439ed3a7d60ccda553f09bfb11ed0c49602c2122
Status:
Included and unchanged
Block:
#4,856 1,157 blocks after it
Position in block:
Transaction 226 of 241
Award day:
Jul 14, 2022 (4 yrs 4 mo ago)
Value:
₱4,635,329.89
Project:
22CG0255 - Sustainable Infrastructure Projects All
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 #4,856 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 CSSP", 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 - PAMPANGA 1ST DEO awarded it to N-22 CONSTRUCTION AND TRADING on 2022-07-14.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22CG0255: 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 2022-09-25). 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 f2f6a22bf8…2c2122now …
- 2. Block Merkle root changedstored f29e59d11c…a379f7now …
- 3. Block #4856 hash changedstored 38588289f5…915922now …
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 240 records. Each step hashes the current value together with the sibling shown.
- leaf f2f6a22bf84b83fb545c9eee439ed3a7d60ccda553f09bfb11ed0c49602c2122
- 01 R f2f7cad05168277b7c0c763e332d81d0ba300a837f1bbfabbd3d333afdf879df
- 02 L 769ff3918e1adfae2fa2909b0070035827791fc823f8287b09ca56509bac42b7
- 03 R b5b472de9278bf806ee17a808cbda83719358d0bc2a06b18d104fb9d2597e873
- 04 R 3b6844e9766109786eb32bde4a697920bd61cc9b2e49e64a5f79d48a12a9ed99
- 05 R a4e9a69e7e22e0aa706367da639297943bfb053d7e5c77ec58f42107ef3ee167
- 06 L cb3db735affb006393ca14efe91b989d55a43e57f0737490a6457ad1702be39f
- 07 L 193cd6450be3a0a5acb07ccc48c264d23b5085b6c2bb92233209937dfbfa5000
- 08 L 686ce372d0effff736d52351684d9959dd41a7747b3d63ea0927edac264c70b1
- root f29e59d11cf9c2631f500ae3d9f105d120e3bb41d240ec40e6ac32c239a379f7