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 - DAVAO CITY DEO Award a ₱28.1M contract to VICENTE T. LAO CONSTRUCTIONNational agencies
Transaction hash:
08ae97b30f5b01b0d8261df25d4f3f92208deb56acecf86ad826714830f0b3bb
Status:
Included and unchanged
Block:
#4,536 1,477 blocks after it
Position in block:
Transaction 7 of 200
Award day:
Aug 12, 2021 (5 yrs 3 mo ago)
Value:
₱28,148,364.32
Project:
21LB0085
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 #4,536 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 OO-1", 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 - DAVAO CITY DEO awarded it to VICENTE T. LAO CONSTRUCTION on 2021-08-12.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21LB0085: 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 2022-03-14). 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 08ae97b30f…f0b3bbnow …
- 2. Block Merkle root changedstored 39fd2c8a83…8d797fnow …
- 3. Block #4536 hash changedstored ac12eb3407…e5f9c0now …
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 199 records. Each step hashes the current value together with the sibling shown.
- leaf 08ae97b30f5b01b0d8261df25d4f3f92208deb56acecf86ad826714830f0b3bb
- 01 L 07e57eea568f62d2da2a2479aaf77818cddaaa51c9e0c7061fd63ffd6af7b748
- 02 L 245195db1eb8d3aa556b7f89603b39ff280925452d31272c26e3dfdb06120fd4
- 03 L 8b86a0512b938c020dd21d367b4d27a5c9358c75d8ba5a4f07a2e152a92c84d3
- 04 R db821001e27bbf5fccb6d928fa4a19432a32969399a6264e17ca8c780adef07f
- 05 R 4c2109cb59329fc480db66342ff3a1143d537276ebf9b0244387fe1533a0b7ee
- 06 R 3a8b4aef709ec04bd564853526ca3412331d239ebbea865268e9c9436cb9e1fd
- 07 R 5b6019c6ea520e7eaa6cd3ec280da91ace48de1fc0126e266eaf6dc7dff75337
- 08 R 86687e89628132fbba53e06f88f59c6f7ae8249278b9f04aa9279483d72536f8
- root 39fd2c8a83a1a500c0e1f37c3b7ef17f612096ca4cada00a644a2d67038d797f