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 ₱646.3K contract to ZAMBOPEN CONSTRUCTIONCities
Transaction hash:
eeaf03708ad5ebefe3ac249992b4e8062210a0dfa727bcafb0ade9deecb034fb
Status:
Included and unchanged
Block:
#1,157 4,856 blocks after it
Position in block:
Transaction 85 of 91
Award day:
Jun 2, 2011 (15 yrs 5 mo ago)
Value:
₱646,303.55
Project:
Construction of Basketball Court at Calibato, Barangay Lamisahan
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 #1,157 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 ZAMBOPEN CONSTRUCTION on 2011-06-02.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 eeaf03708a…b034fbnow …
- 2. Block Merkle root changedstored cc70808563…e5d861now …
- 3. Block #1157 hash changedstored 7005e4789b…e16aa6now …
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 90 records. Each step hashes the current value together with the sibling shown.
- leaf eeaf03708ad5ebefe3ac249992b4e8062210a0dfa727bcafb0ade9deecb034fb
- 01 L edccb4e46a7f4592f0ecf487abb901239cdc8fa6c95aa8c2d953bc6a62fc2f75
- 02 R d21183d3beb5e43b5ee29fe0b593ed0679057888e63262ebb6190426b978a007
- 03 L d6fd269882a1b8b2384e0ed0dc03ec408ffe7a3ae83cbfa3211d7d207802ff89
- 04 R cfded35970b706d58fc9869d002dcff1535710160e97be8fefe1bba712cff209
- 05 L 6f022605d85015390db1ba2b0c6e7e52b08f178f31ecfaabbf6f0e0d7f4a089c
- 06 R db15cc6dbb6e8f3baed092440caf3020372ef5a747bf04f4440f46b44e486004
- 07 L 6cf8aaee46940f051620d95753e73c019f795e8ece28cbc95619ee151b5993d9
- root cc70808563b1905e66fc410835338d3f4ae5747ddf884b3331b3d23226e5d861