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 ₱998.3K contract to THOM-ARMAN CONSTRUCTION-ZAMBOANGA CITY BRANCHCities
Transaction hash:
6d4d951c484bdae35cdb0d8e3ef158cb68ae277e0d0b145f28c439c4288cf70e
Status:
Included and unchanged
Block:
#478 5,535 blocks after it
Position in block:
Transaction 10 of 26
Award day:
Nov 24, 2008 (17 yrs 11 mo ago)
Value:
₱998,336.05
Project:
Improvement of Farm-to-Market Road at Lantawan Busay
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 #478 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 THOM-ARMAN CONSTRUCTION-ZAMBOANGA CITY BRANCH on 2008-11-24.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 6d4d951c48…8cf70enow …
- 2. Block Merkle root changedstored 6598b9d99f…7ea014now …
- 3. Block #478 hash changedstored 606afdef2c…44fd80now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 25 records. Each step hashes the current value together with the sibling shown.
- leaf 6d4d951c484bdae35cdb0d8e3ef158cb68ae277e0d0b145f28c439c4288cf70e
- 01 R 7ffc4494ac98cc7ed8e575789fe7369d76761b500de30ccd56a4023f88c7896e
- 02 L 1da41a7bbaa1f1dff7dd75c36e9a652a2228a445c3934696d716ddbc3938c24f
- 03 R 474bdb11d65a7e62837ecb251c6c14c2d9326ece1e60d34a21895c7433e05d79
- 04 L b2995b31279462ad7d299feeb6e29bbd6b7719a1af4740ee727b45b81f1465b9
- 05 R 02c1c672e3789231a9fba539d71d4f93f8173ddec7564d12cd98a3795171bd18
- root 6598b9d99f679c0b6624f712bc877dce640d748211c8d8eaa1a03efd7a7ea014