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 ₱999.9K contract to VYNE CONSTRUCTION AND SUPPLYCities
Transaction hash:
7b00a9f26f90113e73ee2c700b08445ecd202ccced530d0e2cc6e4bad2a07b99
Status:
Included and unchanged
Block:
#5,168 845 blocks after it
Position in block:
Transaction 181 of 423
Award day:
May 29, 2023 (3 yrs 5 mo ago)
Value:
₱999,900.22
Project:
Construction of Fence at Ontong Day Care Center, Q
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 #5,168 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 VYNE CONSTRUCTION AND SUPPLY on 2023-05-29.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 7b00a9f26f…a07b99now …
- 2. Block Merkle root changedstored 270dd4e3a3…d659abnow …
- 3. Block #5168 hash changedstored 8c5452f783…8c9619now …
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 422 records. Each step hashes the current value together with the sibling shown.
- leaf 7b00a9f26f90113e73ee2c700b08445ecd202ccced530d0e2cc6e4bad2a07b99
- 01 L 7a2ba35c589b10b5a964aeba76f0a056dba5e7a101e61437a7aec3f39960d610
- 02 R 148e0a7ae4d60a0263bf6520274c5025c7980ab188287e03ac39a40ebf53095c
- 03 L c120aecd2564a9f5dfdcfe46499f18d3429b563f1cd87f93d896a1cae5c8c670
- 04 R 7e5200fa974b437e3532060e76b4f561e6fab2ee49804615ae23dee0be86f9da
- 05 L 01906a31879ed496bb6db0aa2fc5cbe9dc0134ef823740b5390df5c1579a2e02
- 06 L 5916b4df8b4a2d2f21aefeec5dda0f5e2cf4b5ae4f9e4d78a4ab3e9f0950a4e5
- 07 R 791c083db12c6f999e1b4a261099a96de85c65cfdaf8fcffb6f3f1a37b4f46a0
- 08 L 160299ebd0c994947484a1e5cbfadc015089d7731b6573e4551aa9c6619a616d
- 09 R 852f5a7828bdafcea5d3d5cf549f57a43fb2f4f64513439febd6a147e872d529
- root 270dd4e3a355f0216ce41c1352a0656305f6d5b1ad6f7333e3e1746d46d659ab