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
MUNICIPALITY OF OLUTANGA, ZAMBOANGA SIBUGAY Award a ₱2.6M contract to ELFCT CONSTRUCTIONMunicipalities
Transaction hash:
2f7be5f2f27cebb2a3793b1d8db4da6c4b9d0b024a1149b58de40c1075fbe6d4
Status:
Included and unchanged
Block:
#3,381 2,632 blocks after it
Position in block:
Transaction 58 of 338
Award day:
Apr 4, 2018 (8 yrs 7 mo ago)
Value:
₱2,600,000.00
Project:
CONSTRUCTION OF ROCK CAUSEWAY/CONCRETING FOOTBRIDG
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 #3,381 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)MUNICIPALITY OF OLUTANGA, ZAMBOANGA SIBUGAY awarded it to ELFCT CONSTRUCTION on 2018-04-04.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 Olutanga 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 2f7be5f2f2…fbe6d4now …
- 2. Block Merkle root changedstored ca40c712c3…a32f3dnow …
- 3. Block #3381 hash changedstored ff0448bd61…b59dbfnow …
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 337 records. Each step hashes the current value together with the sibling shown.
- leaf 2f7be5f2f27cebb2a3793b1d8db4da6c4b9d0b024a1149b58de40c1075fbe6d4
- 01 R 30115e8163c425f11d242c2208aa6a3cc5a67d4fc29de2a2fa33ba323ad7a515
- 02 L 59d9944496e6f12fba71214de7f5687d2b36bfdc6622f9ea8f210302336c47e2
- 03 R e3091c66a4b155f385facf76b9af30f1323f9b734c226e3ee7fd7e443f4b930a
- 04 L 0a16e00f3e6aab499ca3214b07dbd07ec7845b1249606e8914045601396cac79
- 05 L 61222f6a395b6291ee784ca6406d83df133e06db860bc2c63cfcbfdf568d6aae
- 06 L f9c6173cda80394d5ab55b111fb339290ef83e8cd8f7b499de89b7dbfdfe4ec2
- 07 R a734f5b3c8d3483031f8c6dfc4eb9f6584e81c05b2ab2d0c7ead31b71b924871
- 08 R 77ba749d4e39e94b32ae3a61f3d294e585390d6422e43e29952341df54f41a4f
- 09 R e9aa04973b6c8b0b7a59b1c0affc20c4e79456372eb462e502a0d5ac679cec24
- root ca40c712c33c1f87a7cff1668446130dbb529b6cfb0842cbf3a27b50cea32f3d