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 II DEO Award a ₱492.5K contract to LANDEVTECH CONSTRUCTION, INC.National agencies
Transaction hash:
9ad9cfe07df4e13a6b5cddae2aa6a06cb2d70b012d49e047ec01b14478e71a1f
Status:
Included and unchanged
Block:
#4,422 1,591 blocks after it
Position in block:
Transaction 226 of 334
Award day:
Apr 16, 2021 (5 yrs 6 mo ago)
Value:
₱492,456.86
Project:
21LH0049
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 #4,422 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 - DAVAO CITY II DEO awarded it to LANDEVTECH CONSTRUCTION, INC. on 2021-04-16.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21LH0049: 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 2021-05-27). 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 9ad9cfe07d…e71a1fnow …
- 2. Block Merkle root changedstored 7932c44fbe…03be79now …
- 3. Block #4422 hash changedstored 3351926e8a…6d9e21now …
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 333 records. Each step hashes the current value together with the sibling shown.
- leaf 9ad9cfe07df4e13a6b5cddae2aa6a06cb2d70b012d49e047ec01b14478e71a1f
- 01 R 9b3efec3115fd61ba9512a85ecd1d79497f69fcfedc01a61224d1371b6fdfab7
- 02 L 8119b03c60cf226ee743a19ab19d0c45c7b347d03a7034025223347f9e61ed9c
- 03 R 2533a0fc4cdd80e297b609e55375c3fe92a5011ee536838c3e094ecaf5ddddc1
- 04 R f263b517347cec90970518cf3c5fbf981b0a5775c7064f3958bb7fe81663742b
- 05 R 577233363aa8cf0b2e27b13960e473b8fa09ac1b4223d7d250ed8f3d5640b081
- 06 L b23a5e00974dbe94ab68fe0b8ccd01a8b0852fe2a3438afe2881317c0ffd7e50
- 07 L 44d5051998ea43396290e334192165b045e6b577b849a1d9a0aee70f1aea8e73
- 08 L 4c74974b8f7fe59ada10d8228028f09905d19915f020b04b72e58ca8cb2741fc
- 09 R 1b77cd6502a8681551337d25bfdb6cfab7631c4d91a307395c7db3190664e89b
- root 7932c44fbe0b3b701b2bdc195b7ed2fc2dda2a5f7b9e200a71b221aa2503be79