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 ₱1.1M contract to FERCIA CONSTRUCTION FIRMCities
Transaction hash:
d9f54d94ce20ab0bdfaf61ba4a365633e097c801b32dda46a0d63c36dd70f01f
Status:
Included and unchanged
Block:
#1,610 4,403 blocks after it
Position in block:
Transaction 43 of 54
Award day:
Nov 13, 2012 (14 yrs ago)
Value:
₱1,119,564.52
Project:
Concreting of Road at Pilram Drive 3,4 and 6, Putik
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 #1,610 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 FERCIA CONSTRUCTION FIRM on 2012-11-13.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 d9f54d94ce…70f01fnow …
- 2. Block Merkle root changedstored 07961d1955…cb3174now …
- 3. Block #1610 hash changedstored 1c2a4da27e…c08a86now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 53 records. Each step hashes the current value together with the sibling shown.
- leaf d9f54d94ce20ab0bdfaf61ba4a365633e097c801b32dda46a0d63c36dd70f01f
- 01 L d4a181667c0278ed6eb22b4172c27822e92d6fcc3943a993f5c5efb7d3197889
- 02 L b0f167ebe4c0a2d29455cf4148c1cbc17351b82f212e88b75287c64e68f522e2
- 03 R eeb5a6ae13b9f2518378938685ab2306a287c99cb7b6bb81e92a30c04a320624
- 04 L 5be86b905e53e143d929a1513909406ee2bfc59e4d1e934e5da311254a6e1213
- 05 R 3b939452d25abf82efdb0b24ee1cfb04017c91ac9a167a76850ca5cbb3fc680b
- 06 L 9c384d972a3c2a9b59fc11bb89610fdc6831c0b1ec98f2c5ac82ad9eff0a9943
- root 07961d19550a8a55ab38f775d7e2c32d81bef54d8bd9dc99f0901e9f21cb3174