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
PROVINCE OF PALAWAN Award a ₱2.2M contract to E.V.VILLAOS TRADING AND CONSTRUCTIONProvinces
Transaction hash:
02bdb66d7e145fe6bf41413ff6cba485c49253ba735315be28cc17159899da22
Status:
Included and unchanged
Block:
#2,495 3,518 blocks after it
Position in block:
Transaction 1 of 242
Award day:
Aug 20, 2015 (11 yrs 2 mo ago)
From:
Value:
₱2,243,566.48
Project:
Construction Projects
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 #2,495 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)The award does not say which budget line pays for it.Not published
- 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)PROVINCE OF PALAWAN awarded it to E.V.VILLAOS TRADING AND CONSTRUCTION on 2015-08-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of Palawan gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 02bdb66d7e…99da22now …
- 2. Block Merkle root changedstored f8cbb1c6e4…382f86now …
- 3. Block #2495 hash changedstored 7d33525f94…c2bdc9now …
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 241 records. Each step hashes the current value together with the sibling shown.
- leaf 02bdb66d7e145fe6bf41413ff6cba485c49253ba735315be28cc17159899da22
- 01 L 006533cfc348933c4552639171735e628c23e8c37fa94e81262e5f923fd4e288
- 02 R 684e59d702a84e608f6a03f7072ef3d4cc9c02da250e426061d50097caf35396
- 03 R 1ce977f6b713f89c5f85146495289dcd8f880e974294619614bacc1117d69fb7
- 04 R 1a6988bb9a1c455ccb20bff24e693ebd5b6a48db5ca10c130d8785a07679affc
- 05 R 8835a63b7f88db0c2467b318f107a7f71c3c3a5314c394a7c26dd467492cab6f
- 06 R 3669550f80e69c5f6defcef68ec282ec30d81a77f6241eecd6bd2ec0143bf38a
- 07 R 955d31f8cb774c68fc911b7eb07bf7cec69ce5e9fc860bdd024a12150bed54a4
- 08 R 0559b968de3c314b38c76bfa7f8dfd1cd4451641ab4032c9d57fec08ec5495dd
- root f8cbb1c6e496d0879cd96d4d15713d5ec8bd7f4857544115ad65489d36382f86