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 ₱5.5M contract to CITYWEST BUILDERS AND SUPPLYCities
Transaction hash:
16bb2be5635bb6b837795cc67dc2ba0bab3a8eba787f162af46f9e9eed6b9fc8
Status:
Included and unchanged
Block:
#4,278 1,735 blocks after it
Position in block:
Transaction 15 of 166
Award day:
Nov 12, 2020 (6 yrs ago)
Value:
₱5,529,492.67
Project:
Construction of Covered Court at Recodo Elementar
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 #4,278 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 CITYWEST BUILDERS AND SUPPLY on 2020-11-12.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 16bb2be563…6b9fc8now …
- 2. Block Merkle root changedstored 64572bb6d5…015c52now …
- 3. Block #4278 hash changedstored 9e930218fb…669356now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 165 records. Each step hashes the current value together with the sibling shown.
- leaf 16bb2be5635bb6b837795cc67dc2ba0bab3a8eba787f162af46f9e9eed6b9fc8
- 01 L 0ff98276a10d4bfc378051b2348545e923a2939fe76aa4a80fb36ffad054a386
- 02 L 7d9a24805244b057b630026f16450068cc4d1518591055ec72c8f733bfb9293e
- 03 L 922d2eb9683d39264200e6529c2839c6cd15957dacffa7fe6ee9027fa15c2976
- 04 L d95866db43a43095cf61e44cb36d7e0099728318ba0126d848798a8e1f145464
- 05 R 05865bcfb435399860b1c66f5b36f99289355778bedba0d8a0075cd44f8c75b9
- 06 R 768cdb58550d7e0d703be3232297ac2a328020fd164e278f7d4c76c417b22f29
- 07 R b499cb59eff8b44618d00ad8cc1e2abccec8839c615beb1dd8cdbffda836822d
- 08 R 8279dd0e8d8096edb704a07cb76e4b9144d18dcf248327afff3357b1d78327a7
- root 64572bb6d5dbfbbf3bba009d04267ce78a4180d9b40476bf0eb8382419015c52