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 VIGAN, ILOCOS SUR Award a ₱358.5K contract to 3G & A CONSTRUCTION AND SUPPLYCities
Transaction hash:
ff2a695ffb2eb57bb2b83f89a7b170ff8cda4ee9cad24394a359c4e09ab36e6e
Status:
Included and unchanged
Block:
#5,776 237 blocks after it
Position in block:
Transaction 856 of 861
Award day:
Feb 18, 2025 (1 yr 8 mo ago)
Value:
₱358,453.65
Project:
Construction of ALS Classroom
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 #5,776 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 VIGAN, ILOCOS SUR awarded it to 3G & A CONSTRUCTION AND SUPPLY on 2025-02-18.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 Vigan gave a "unmodified" 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 ff2a695ffb…b36e6enow …
- 2. Block Merkle root changedstored f13a4d7ede…6b9127now …
- 3. Block #5776 hash changedstored dddce5398c…442fc9now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 860 records. Each step hashes the current value together with the sibling shown.
- leaf ff2a695ffb2eb57bb2b83f89a7b170ff8cda4ee9cad24394a359c4e09ab36e6e
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- 03 R e850ebc84dd9d4b1b6260506fb83218568f43368eadae402fa3490c54491bb95
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- 09 L 31ad279901bd0301e1f3d094ed7c4d860592aaf62f63fb456c376cd3def18e77
- 10 L 854bbfd9c274adbcc3746b3badc4f150d82dd5ac3fd4dfbdacc0f9fe009d1bf6
- root f13a4d7edea4fd1a4f4ec5f269be7c0a88b789da1a89ea667070ad702a6b9127