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 - LANAO DEL NORTE 1S Award a ₱2.7M contract to LANCON CONSTRUCTION SERVICESNational agencies
Transaction hash:
cbf83e6186ee8e8242570d9520b8e97e22ddc31ffb527bedf48eea35120bd2ec
Status:
Included and unchanged
Block:
#4,638 1,375 blocks after it
Position in block:
Transaction 182 of 230
Award day:
Nov 23, 2021 (4 yrs 11 mo ago)
Value:
₱2,663,435.08
Project:
21KG0049
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 #4,638 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 - LANAO DEL NORTE 1S awarded it to LANCON CONSTRUCTION SERVICES on 2021-11-23.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21KG0049: 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 2022-02-17). 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 cbf83e6186…0bd2ecnow …
- 2. Block Merkle root changedstored 5a7a381978…39f0f0now …
- 3. Block #4638 hash changedstored 8f5f0b2ab2…1884c9now …
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 229 records. Each step hashes the current value together with the sibling shown.
- leaf cbf83e6186ee8e8242570d9520b8e97e22ddc31ffb527bedf48eea35120bd2ec
- 01 R cf0b0f390d79fe8f5756592710f4a3b11468f2dd2b7ffe5b2e608db508d89eec
- 02 L 0ebdad01656dbb81337c9678ec3a4aa5ecddbe712fbf55b64603c2bf0d5bd9e9
- 03 L b637130c6971d849b9fa9b2b2f83d8e1cf4498db70a8cabc79d19ffcbecad4f0
- 04 R f5f817b2570ef5b8aabd77209d700a9193250b2e0aef110faafeb33268edb052
- 05 L 58f3d084e2195bfb0b2cd4d683552206ab5a7f2539832a60f780698c2a079888
- 06 L e73b6b292f3d3b8948b0bb7375cf144ee9f7ff0d99577e970597731fda49288d
- 07 R 5ee23eee70fec6df837ab6c7a06cb2aecf00f89ae55999e4355368527ae60627
- 08 L 51f5bf90e5032faefa6ccec55f3d4aea602bd03221ae95782682224c35725049
- root 5a7a3819782ef3da731a4d4e4a9e28c2e50cdd86302967f36c6be5872639f0f0