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 - BATAAN 1ST DEO Award a ₱4.8M contract to NBZ ENGINEERING AND CONSTRUCTIONNational agencies
Transaction hash:
6caf6a4e103e1b755317cda1a8c13cdbcc56feb03a4e7c4c63f5ec340d73a1bd
Status:
Included and unchanged
Block:
#4,392 1,621 blocks after it
Position in block:
Transaction 107 of 278
Award day:
Mar 16, 2021 (5 yrs 7 mo ago)
Value:
₱4,801,995.00
Project:
Local Infrastructure Program – Local Roads and Bridges – Local Roads – Construction of Road, Relocation Site, Barangay Imelda, Samal, Bataan
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 #4,392 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 LP", 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 - BATAAN 1ST DEO awarded it to NBZ ENGINEERING AND CONSTRUCTION on 2021-03-16.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21CA0063: 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 2021-07-15). 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 6caf6a4e10…73a1bdnow …
- 2. Block Merkle root changedstored fc7d5e1b9f…39a735now …
- 3. Block #4392 hash changedstored ce6667d6f3…c89b0bnow …
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 277 records. Each step hashes the current value together with the sibling shown.
- leaf 6caf6a4e103e1b755317cda1a8c13cdbcc56feb03a4e7c4c63f5ec340d73a1bd
- 01 L 6af0aea673aea46e40575ad0cdb0f587a19ea75740332d63d4d9e58d4bbd1580
- 02 L 84b6f6e2af104f44c0e86738ab0d292d1784db0f8585346c729fdfdddc275a38
- 03 R c9af843df11e15e0481484787fbac0a62e31275089c362890589144420dea6c6
- 04 L d6b6bfe6be4f6943229a4752bc0eb04f0ac6b202f8d04b0375963c0cbeaab1d1
- 05 R 61875cbccb322b18bf6947226ba49d2c1bf71070970a92ad211d4bc1ff68ee8b
- 06 L 5cf9b7db5db266a8be5c354eb440b8e812991815b4a9163295d0ade701c086b2
- 07 L 16319803966bb559ec09d574fd0fc2ef75b1cc578e61a80f4b1dd3745e20318d
- 08 R eed6de4c8ecff836c7d991437fa8ef1a6507499257169a31f58c9ebb6d9180a5
- 09 R 54cae9862a35d6adf85fae3ec7c0e197761d6a1e29ca86b683720b3d9221a745
- root fc7d5e1b9fe7685c7f7e7234dcf8c3dcb03198c42b8418a7a259a025a839a735