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 ₱84.7M contract to WBUILD CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
a091999f5e111f28b366cf1ed549e65fd11a5ce0e834d192628faf0a4d3c2662
Status:
Included and unchanged
Block:
#4,398 1,615 blocks after it
Position in block:
Transaction 188 of 302
Award day:
Mar 23, 2021 (5 yrs 7 mo ago)
Value:
₱84,655,072.47
Project:
21J00041
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 #4,398 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)The award does not say which budget line pays for it.Not published
- 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 WBUILD CONSTRUCTION CORPORATION on 2021-03-23.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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
1 of 8 documents found, 0 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 a091999f5e…3c2662now …
- 2. Block Merkle root changedstored 385a9af342…1e1a17now …
- 3. Block #4398 hash changedstored 87938c6a3d…5a36c7now …
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 301 records. Each step hashes the current value together with the sibling shown.
- leaf a091999f5e111f28b366cf1ed549e65fd11a5ce0e834d192628faf0a4d3c2662
- 01 R a0c34d11c9f90b34b01a05bf6c36bff4f239ad12b340ab1071df4bab205fde37
- 02 R f794a707e69db399a850bb39e216d2d7bc843d0420209fc038032116c9818e0f
- 03 L 770e996f14f980fa59f9f1752225f57a9be0d89233e5125d4dfab66228c6e163
- 04 L f8675fa5f49169adfd6cab86b907370d3b66542e4cc157daa1ffbd1fdffd4ab7
- 05 L 175187edcd0b54c19b7a45c505c781c5d69bef9bc902586dc85f0c120fd9e41d
- 06 L cb96d0287a236848e668e7df5c7ac95610e9a5247a51e9a62d0c0c3078a39a01
- 07 R 82a4e32a0dd9784de28e8b9b2725be59041cdd6f755eae13d3c6eb2cf74bf367
- 08 L 8d9d8a37bcbac446d5011052d8e43a07203e6d051c6b7fa230abcddc68ed2898
- 09 R c04f776445d3554f0069802269643f0bf0a9dfb388ffdfa39fe7870d153ed7f1
- root 385a9af34211ccdc1deb2ab2647308770ae7557e0110e6cf8bc28d1b391e1a17