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 ₱50.0M contract to ASAP GEN. TRADING, CONSTRUCTION AND MAINTENANCECities
Transaction hash:
8d43c0abed4f2960bbdfa0a0b25a39668dac8e664bf68af81efc847ad4728473
Status:
Included and unchanged
Block:
#5,978 35 blocks after it
Position in block:
Transaction 197 of 364
Award day:
Oct 2, 2025 (1 yr 1 mo ago)
Value:
₱49,983,274.69
Project:
Construction/Rehabilitation/Improvement of Drainage System at Talon-Talon- Sta. Catalina
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 #5,978 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 ASAP GEN. TRADING, CONSTRUCTION AND MAINTENANCE on 2025-10-02.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 8d43c0abed…728473now …
- 2. Block Merkle root changedstored 2d8e119df8…7bae37now …
- 3. Block #5978 hash changedstored f5ec6bee6b…cc365fnow …
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 363 records. Each step hashes the current value together with the sibling shown.
- leaf 8d43c0abed4f2960bbdfa0a0b25a39668dac8e664bf68af81efc847ad4728473
- 01 L 8c99118efa5c611044a8351a8845cb6ae47cbb4924c9c0c7b6eec06c82f145dd
- 02 R 32874aa344d3f7ed0f45e110defc7fa729a756569fce4448cb405d19d7f7312a
- 03 L 2060b212272e2be0043ff2d5d1da268858df47635c76644dab1ad19b9199a707
- 04 R 61735157cd59599d66762d05cccdef3144a84febec0b1331adfada2024fbe0e1
- 05 R 15b64608a65f172b2a098cec8b4df16df7c8a61ccbbcddd79bcd33826a27f2e4
- 06 R 1dbf0a52618b6b226564e8c16a10dbb450ce9861cf2a9b1cac8ccd2305d9238c
- 07 L db14e632b2ac568930d00dfe93a668abbb097da6e2c52251bc091256c970e56b
- 08 L ab5c797566cf562a30becbe5cc31175f109319e4f037c0841904dbb98a539160
- 09 R ccbd01de4072d7e459a742c7fe857c678d132c7488720a27a510cd95a94499fa
- root 2d8e119df81ad7018dcc3e50059c96d971f68a7465f197e994557490f17bae37