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 NARVACAN, ILOCOS SUR Award a ₱9.0M contract to E.T. LATAWAN CONSTRUCTIONMunicipalities
Transaction hash:
c1200b5ba67f3c6dcdaf72975a1dfc41faa91f687da08d13f878c211796e271e
Status:
Included and unchanged
Block:
#4,336 1,677 blocks after it
Position in block:
Transaction 56 of 72
Award day:
Jan 14, 2021 (5 yrs 9 mo ago)
Value:
₱8,972,632.81
Project:
Construction/Rehabilitation of School Buildings/He
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 #4,336 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 NARVACAN, ILOCOS SUR awarded it to E.T. LATAWAN CONSTRUCTION on 2021-01-14.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 Narvacan 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 c1200b5ba6…6e271enow …
- 2. Block Merkle root changedstored a1ecb7db06…c6c16cnow …
- 3. Block #4336 hash changedstored ce88822ca8…debaf8now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 71 records. Each step hashes the current value together with the sibling shown.
- leaf c1200b5ba67f3c6dcdaf72975a1dfc41faa91f687da08d13f878c211796e271e
- 01 R cfb3c8b378ceb96163676a87b3b6d20cd95d6d7895411246a35e9027a424758d
- 02 R 2d4a8f330588776d11766ca71e77b76d6955e9037b3e6a3c66df1a044c9edcba
- 03 R 8d176305f94880b8f65f656c87a9ec702a7ef19425807add88a2d2873633b2cb
- 04 L b4fb0823f24b585e704c0e00712254f48a92f9673a755ea33b84abcc15b1dfa5
- 05 L 2ae1bf3a14a4c8031998f486ef127cea97f2bec2a033c975108a29d519ef9b53
- 06 L fa5bf8285e297e869c8434932ed7c94a7fecdf8475e56128a54a1e420e998d25
- 07 R c86d6f70e50e9819c630fe59cc19ee4ce81a90e4ab8c8258827909271fde4b3f
- root a1ecb7db064b033bc6fd2ae51068a50e53b2308fd2924939fd2a8ab021c6c16c