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
CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR Award a ₱2.3M contract to JRBT CONSTRUCTION AND SUPPLYCities
Transaction hash:
35994c092ba8d63fb070e28e0de4937fadf23450be61053557d4b98e24c95141
Status:
Included and unchanged
Block:
#1,498 4,515 blocks after it
Position in block:
Transaction 16 of 74
Award day:
Jul 4, 2012 (14 yrs 4 mo ago)
Value:
₱2,301,659.66
Project:
Construction of Health Center / Construction of Multi-Purpose Pavement (Cluster) [Alternative Mode ]
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 #1,498 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)CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR awarded it to JRBT CONSTRUCTION AND SUPPLY on 2012-07-04.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 City of Zamboanga 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 35994c092b…c95141now …
- 2. Block Merkle root changedstored ef821ce87b…6da68cnow …
- 3. Block #1498 hash changedstored af0bfd4e75…2cb304now …
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 73 records. Each step hashes the current value together with the sibling shown.
- leaf 35994c092ba8d63fb070e28e0de4937fadf23450be61053557d4b98e24c95141
- 01 R 3783bdfda6734c64402372fdf03fd5236264830194c55c785fe532223abc5d2f
- 02 R fdf8a7470855eac9fdc41fafa3c2797562ee24771ff3d8ab99e1a6eb3c2999ad
- 03 R 217f49722cee33097c809fbd4cf59917daa3e0df96f467bd9d2bff3306d1bbaf
- 04 R 291bc078228e7b9ddfc9086ab083b16529676cd707fe657df67189fa9a1aebe0
- 05 L fb67d9441aac883559eecaef58707a774453109e32926d62f095bdebc93017b2
- 06 R 4dae638689fa2d3a63d24b2e5d9bf439a7da5f622a154c64eb695726d0812caf
- 07 R b3dd757ab019f1e48586f75f7cadc3db3a61a21e42e2faf79541d32677b0ab21
- root ef821ce87b9c66d1841b35ea8ef802e3bb6112c151522910daf29297386da68c