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 I Award a ₱37.4M contract to NORTH TECH BUILDERS AND CONSTRUCTION SUPPLYNational agencies
Transaction hash:
2a4384f4648beaffeaae6852f73b17fa0982c269c6963c1128b70493f8650a3a
Status:
Included and unchanged
Block:
#5,067 946 blocks after it
Position in block:
Transaction 55 of 329
Award day:
Feb 15, 2023 (3 yrs 8 mo ago)
Value:
₱37,424,174.42
Project:
23A00106
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 #5,067 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 2023 CSSP", 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 - REGION I awarded it to NORTH TECH BUILDERS AND CONSTRUCTION SUPPLY on 2023-02-15.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23A00106: 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 2023-08-31). 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 2a4384f464…650a3anow …
- 2. Block Merkle root changedstored 13504a4b53…69117fnow …
- 3. Block #5067 hash changedstored 32051811a5…946744now …
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 328 records. Each step hashes the current value together with the sibling shown.
- leaf 2a4384f4648beaffeaae6852f73b17fa0982c269c6963c1128b70493f8650a3a
- 01 L 29d3f2bafd235848efde42480cd3b1ff0547404bdb548963099a3b317e043883
- 02 L 424038c7227be1bdf0e0363b5821d3015781ee00e42046a23aef4e5cc62c29ed
- 03 L 42f36793071ace021a59a522c409faa460b1f1d86e2a0602ea8a0d2e903527c5
- 04 R 6986bc6a47181cbb67588bb90fe3236a37c92f9f01441e0ccb0c9ad395ac52b9
- 05 L e0b37e36f76364e9678bdf743eef63ab4e3e0ee39e5dc6f41e5f6da5178b00f8
- 06 L 8ee09bd538a36c8618e31450ccf6df3007fa4e4b2832f95338e2ef3998d6a9c4
- 07 R 23ee29acc826f0462a6be82209081961ac3d4b277a00d6986ec2f68fc091e903
- 08 R 235ecec6ad442afe88494a1e988a966b012db4c5d80773ee2f24f872af689f76
- 09 R 9e2b5522357cbfc53996e772c193c1c78c62e042b235882e81871c90c16f290c
- root 13504a4b539773beb7fe0735d0d8dbd9613e9db07bf1da2dd394a40c7069117f