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 ₱799.0K contract to VERSATILE BUILDERSCities
Transaction hash:
4b9d0295e00f8fe87e8dff342f215b2102145da1c6bb72d8b41a36bd9ff9cdfa
Status:
Included and unchanged
Block:
#272 5,741 blocks after it
Position in block:
Transaction 2 of 6
Award day:
Feb 6, 2008 (18 yrs 9 mo ago)
Value:
₱798,990.00
Project:
Improvement of Farm-to-Market Road at Lanzones - Tolosa Road, Lanzones
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 #272 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 VERSATILE BUILDERS on 2008-02-06.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 4b9d0295e0…f9cdfanow …
- 2. Block Merkle root changedstored 6ab31e9029…ef7d86now …
- 3. Block #272 hash changedstored 3dd3b81c57…e7fde4now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (3 steps)
How this one record is tied to the block's Merkle root, without needing the other 5 records. Each step hashes the current value together with the sibling shown.
- leaf 4b9d0295e00f8fe87e8dff342f215b2102145da1c6bb72d8b41a36bd9ff9cdfa
- 01 R 6e72a62f65e18644491936d0abb4116e1f7e03614b89d5b004e9add439219437
- 02 L 2cb710ff8ee55b72d97c366641a269a55817f0f463bf38c25ce56552d17b0db9
- 03 R 25d3ee010ca1d10a158fad0d04f8184f30b0e42c618bb6f358f24b0e4186628c
- root 6ab31e9029b17e4dcf90b49e9a6cc4b364aab100210fe4f0c7e4a2dd9aef7d86