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 - CAVITE II DISTRICT Award a ₱8.0M contract to MICHAEL M. LAPITAN CONSTRUCTION SERVICES AND TRADING, OPCNational agencies
Transaction hash:
5244204b520f5ef8fbdfa43c7aa624d502d89707405a00cd2ce9a7c8a3947880
Status:
Included and unchanged
Block:
#4,699 1,314 blocks after it
Position in block:
Transaction 183 of 550
Award day:
Jan 24, 2022 (4 yrs 9 mo ago)
Value:
₱7,973,347.56
Project:
22DG0016
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 #4,699 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 2022 OO-1", i.e. the FY2022 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 - CAVITE II DISTRICT awarded it to MICHAEL M. LAPITAN CONSTRUCTION SERVICES AND TRADING, OPC on 2022-01-24.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22DG0016: 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 2022-06-05). 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 5244204b52…947880now …
- 2. Block Merkle root changedstored 7cc670843f…85f3afnow …
- 3. Block #4699 hash changedstored 299770b79b…971185now …
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 549 records. Each step hashes the current value together with the sibling shown.
- leaf 5244204b520f5ef8fbdfa43c7aa624d502d89707405a00cd2ce9a7c8a3947880
- 01 L 51cfc5be50329f59c68e7f3bc13613badc7d5d5bc85051d78e8bfbf840ec5adf
- 02 L ea7db850f109e0caad3d3faf4277999596e9e94ab3804df8541c2c1539ce24f2
- 03 L 0945c27578cd37720d2fbc05e274b18fc26ee08559514f140341506dd52dbcf9
- 04 R 7f208c74db297e808a5f7f2fcf424b75ce0c86554b377b304b6c56e246d12941
- 05 L 1c6b724563d9dfcb9ef0609edf46d7eb5a8f9f77a5f013f02b541408da8f58b8
- 06 L 1acb944fbed4355a1892c6d9729e42f5d8c32152bf5d064e1fb1b27c79133e94
- 07 R 8f6c969f0621684b5913d90627a303d00e0dfd8e9c99cfa6ebe39d76af3f80ef
- 08 L 050ef2e60fd40aa8c286dc8c7fe2e0ca25197f09107a7e18f87300c7f97b58b6
- 09 R a01b4551194ba199d9eb5bb1fe7eddd7c559a2f44bb5f45d7d07654911ac8a4c
- 10 R 9443ec453b1a9144d1f4b908803458d2052e360472d8f02f3e5b84376eeb7fc2
- root 7cc670843ffacae8065a7fe22a946a0bc48d22e1368cfdf9b7b404052085f3af