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 ₱3.0M contract to ELFCT CONSTRUCTIONCities
Transaction hash:
51bb25cc1cbe7c0fecfc3a8adbf24733287c5e9199b6bc5d41474eecfe013600
Status:
Included and unchanged
Block:
#3,353 2,660 blocks after it
Position in block:
Transaction 100 of 314
Award day:
Mar 6, 2018 (8 yrs 8 mo ago)
Value:
₱3,001,944.95
Project:
Construction of Perimeter Fence / Wall with Entran
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 #3,353 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 ELFCT CONSTRUCTION on 2018-03-06.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 51bb25cc1c…013600now …
- 2. Block Merkle root changedstored 641d7493d7…4f1a79now …
- 3. Block #3353 hash changedstored 8174bdaa9a…ac4a5dnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 313 records. Each step hashes the current value together with the sibling shown.
- leaf 51bb25cc1cbe7c0fecfc3a8adbf24733287c5e9199b6bc5d41474eecfe013600
- 01 R 529ee3dfbfb06f33257c6e00dd1446960bc2b4311a2a606317152899effdf6d3
- 02 R e45592e477de612b3ee392e46e777ee5823e42c6e703195ee5845da343ddf17f
- 03 L e79eb5c602b4456c0dad65b0d2216f0fcb19dbcbdc6f14fb1eb46e45641f207b
- 04 R d593d0491ebf0ea227b4cd24d139c6712cdac3e995fffa2c0bf42066f719b1ae
- 05 R 2efa9bbe96c464b86db97209ec690a03620d9b764a29a9f532e62ff333cf992b
- 06 L cb4f39a2fb5b94b7c8eb1457609f656a0280b0d057320df3bf67036d1eb056f9
- 07 L 9e324fc2cc1aa2cfe067182953e75402eb4bc827294718163f7d18a09ca9cf8f
- 08 R 925a78289e44b764692e98dcd063cc5ef8778f9273418bd5cedad9512a3e3b06
- 09 R c903f739a2ee11f9dc08eb1996dcf1ff2c02ffe5de2f30907111a628e0ded51b
- root 641d7493d77d5ceb93a87c64c441cbdaf825dc30ffd3d6b0561d1f63f04f1a79