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 ₱96.6M contract to A.P.B. CONSTRUCTIONNational agencies
Transaction hash:
2fc4ab307c960bf4e0faa4f631697ff73d70b1e5c6bf9852c58408d36d21abb6
Status:
Included and unchanged
Block:
#4,364 1,649 blocks after it
Position in block:
Transaction 50 of 316
Award day:
Feb 15, 2021 (5 yrs 8 mo ago)
Value:
₱96,631,731.03
Project:
21A00108
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 #4,364 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 2021 CSSP", i.e. the FY2021 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 A.P.B. CONSTRUCTION on 2021-02-15.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21A00108: 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 2021-12-20). 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 2fc4ab307c…21abb6now …
- 2. Block Merkle root changedstored 3b493f5f7e…5f7feanow …
- 3. Block #4364 hash changedstored 0d3127cae0…cf28f0now …
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 315 records. Each step hashes the current value together with the sibling shown.
- leaf 2fc4ab307c960bf4e0faa4f631697ff73d70b1e5c6bf9852c58408d36d21abb6
- 01 R 307afe2e43e80681c641c8d9b82ea14d9edd6bd578869432daf69673b23a8d66
- 02 L 7b450f170eca4695acb9244db83ab781ced3b6a128cf0a8712dc5e9f1a7eb2e2
- 03 R 6ad04acda3c5376d091129e8825ed8a211d4759d7c3b489d8da11d2564382052
- 04 R 6f10e007425a89235df320794ec2964842a6b07b3ca39b6422ca2ba9f919514e
- 05 L 9c09cebcb44727d5dfbb5cfa7a701ebe35df0625e05b08ba6e2b6b89d1c5a5d6
- 06 L 21913f6edfa5a600c3f2121cebe15f05a29ab1d1a54911a93bebf60849e6d2ed
- 07 R cd0099e8cfd88b5bed2d2b827398703c2dd4a1f765fbe8856f679af2bf34fe2f
- 08 R a9697dfeb54d7c0b24cee707697df09d0b9068dd7fd29f476e4b8eedd0bee6f3
- 09 R f28e4c03436f599e2b460393b75434b088c1ef3430a8fcbd032d6610a1c414ff
- root 3b493f5f7e60739d0fe98621a32bfa68115e560c980cb2ec12614163b55f7fea