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 ₱2.3M contract to FERREZE CONSTRUCTION SUPPLY AND MANUFACTURINGCities
Transaction hash:
b18d7acf4ac0751ff0bc451de099969280eb9b87e2f033f4f607e45e7ef07e9c
Status:
Included and unchanged
Block:
#738 5,275 blocks after it
Position in block:
Transaction 11 of 19
Award day:
Nov 20, 2009 (16 yrs 11 mo ago)
Value:
₱2,253,438.72
Project:
Construction of Irrigation Structure / Footbridge (Cluster)
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 #738 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 FERREZE CONSTRUCTION SUPPLY AND MANUFACTURING on 2009-11-20.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 b18d7acf4a…f07e9cnow …
- 2. Block Merkle root changedstored 561fd3d6c1…30b6c6now …
- 3. Block #738 hash changedstored 75fbaf66ac…0bd037now …
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 18 records. Each step hashes the current value together with the sibling shown.
- leaf b18d7acf4ac0751ff0bc451de099969280eb9b87e2f033f4f607e45e7ef07e9c
- 01 L af22fbb67dbaed2a258b5d20613f3e5fb33e67f99413fcae2177a4a399475fed
- 02 L e4d4aa9a8d048fc75d8d534b807135bd5ebd7bfff99943236e44c6cb2d8153eb
- 03 R 032efed7b7163ac6a76bd87540334cd9650ae7fe76c3d7fdc22df88aa85af6e5
- 04 L 87d3a032be82b98443a49b1368734ff3f4c96f1bbee6d29a29a39e4cef16bab5
- 05 R c375df50fa848b62862ba2f14843b96738a71f84295da4620dd0ee4a39b0b8a8
- root 561fd3d6c18b38d988c0c0433c198602e4136f3505e223f0c41c6bd02930b6c6