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 ₱1.8M contract to STEEL-RICH CONSTRUCTIONCities
Transaction hash:
cf128a99fe4ce213aeb0b5aabd0f28bda39456356459794f3b01e4104a8dbcd4
Status:
Included and unchanged
Block:
#1,539 4,474 blocks after it
Position in block:
Transaction 85 of 100
Award day:
Aug 22, 2012 (14 yrs 2 mo ago)
Value:
₱1,841,207.53
Project:
Construction of Slope Protection at Waray-Waray, Bunguiao
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 #1,539 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 STEEL-RICH CONSTRUCTION on 2012-08-22.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 cf128a99fe…8dbcd4now …
- 2. Block Merkle root changedstored bd44a8b12b…3af3f4now …
- 3. Block #1539 hash changedstored 0c0a5a1e31…390fb3now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 99 records. Each step hashes the current value together with the sibling shown.
- leaf cf128a99fe4ce213aeb0b5aabd0f28bda39456356459794f3b01e4104a8dbcd4
- 01 L cbc2851afeb27d5ea2f4fc4c4e03c6322be5b2dc0671af5b98ded7fc91fe1e3b
- 02 R 52b5f45fe4b870594e2bee0774cb92b7281857f1b42f7385676550b8fba8d73e
- 03 L b9f0e799caedea08e397770d3b81604bcc56547e30dde42b9987d317f9a1cdde
- 04 R 29abeaf4e763bec8fc840679d2f5c4e0c5fb7591c84bddc988810b70777725ea
- 05 L b4bf7f5023cfaa53361c169938ac55639debf21fe40ff1b7c49276bf1fa45639
- 06 R cb58018817bf6440b50f97d2675d2990951c9b7b71715f71dabdda872f116592
- 07 L 938063efca615745c97a37bc06934ede4fa45d11051e102cb87b3479dc2b277f
- root bd44a8b12b7eb56c27d6b5d4028c32a6c2d65b49fafa7540faefcbab7c3af3f4