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 - LA UNION 1ST ED Award a ₱4.8M contract to LAV CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
a2ba0ab71edcf614b80e20721c94de6daf2b60e39633e71a02bb6f6213952a17
Status:
Included and unchanged
Block:
#5,059 954 blocks after it
Position in block:
Transaction 349 of 553
Award day:
Feb 6, 2023 (3 yrs 9 mo ago)
Value:
₱4,750,593.77
Project:
23AE0015 CIVIL WORKS
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 #5,059 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 2023 CSSP", i.e. the FY2023 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 - LA UNION 1ST ED awarded it to LAV CONSTRUCTION & SUPPLY on 2023-02-06.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23AE0015: 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 2023-04-22). 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 a2ba0ab71e…952a17now …
- 2. Block Merkle root changedstored 04500cd877…664b3anow …
- 3. Block #5059 hash changedstored c6a04caafe…7912danow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 552 records. Each step hashes the current value together with the sibling shown.
- leaf a2ba0ab71edcf614b80e20721c94de6daf2b60e39633e71a02bb6f6213952a17
- 01 L a28e9b64305fb0327bb693302b2e2cb951f6a8b8e495c8fe140fe9deac76eb92
- 02 R 684080b604a04f5da19b51619c4b69b2329b01f92dad977001409705a065c2be
- 03 L dcbc8e229bee7d9217fdfe4e19b28303e549ed9e43a5f8c6494e2570cf7f26be
- 04 L d38a5240e7efbc664a90e4ba55e94d8f5d50e69d6999588dc9f1ae13b4a276f2
- 05 L 3cce4a81356228ed5159bba8609b6d1f8fed9f9da37a59747537dc8683f90da4
- 06 R 83b8d83f6e9053f1d0284ab4670e45957d908888712120bdbaa6b46185d9b406
- 07 L 9aa88b97d2096073f5d721080fdffa9bdb66dc147046993b7bbdf6ac4eb1e504
- 08 R 8e0e642391699fbedec14861b3daba19d5ae022c336242d129524094ebff9379
- 09 L 6e793ac73b22b5fdf5a9f1f83a4144356a569a1645db33bd34ebc54b211bf36c
- 10 R a2bc1b9835ff73cc5b3d6e88a213a7a5f07afcdb2de49f47a263b426a022e198
- root 04500cd877ee6ed6ee36680a7c253a9487fe94bbf0676736d04bd8c7c8664b3a