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 ₱1.3M contract to IIEE CONSTRUCTIONCities
Transaction hash:
52f8ecb8cfd3d71994df707de9fab669d11fb223b2f94332ad1963aa1450a997
Status:
Included and unchanged
Block:
#436 5,577 blocks after it
Position in block:
Transaction 8 of 17
Award day:
Sep 29, 2008 (18 yrs 1 mo ago)
Value:
₱1,286,169.03
Project:
Construction of Health Center at Guisao (REVISED 2)
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 #436 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 IIEE CONSTRUCTION on 2008-09-29.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 52f8ecb8cf…50a997now …
- 2. Block Merkle root changedstored d153efe315…ad599fnow …
- 3. Block #436 hash changedstored b44e8ad5f7…9e64dcnow …
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 16 records. Each step hashes the current value together with the sibling shown.
- leaf 52f8ecb8cfd3d71994df707de9fab669d11fb223b2f94332ad1963aa1450a997
- 01 R 5acc403b84fb776a72812c81d40f19539f0b0d6bf468176084a4e826c54c81b4
- 02 R aa85d00fdbb003213852af5e009a62d3c0888eb8dd6c0fd2169a587b8bc4fcf1
- 03 R 3cd824b1058a951f7fb457f31851234c4a6608e46b4e5c63ad799f13043bd3d4
- 04 L b5288ba2aa23d25deec9a549d4eafb8dfaac1033bab408cf606a5b1386c4afbf
- 05 R 27e56972ac410b7de342d09511bc27989cf678c041e523c6f8c9950784e5867f
- root d153efe315e1508e2f2fd292b7289d1798b942db224ef21c83508e2351ad599f