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 ₱1.8M contract to 739 BUILDERSCities
Transaction hash:
1a0d2ad730693ff8aa28f1cc7f48c96b54f1646ef9edf14178d4e7b0b13dd9c4
Status:
Included and unchanged
Block:
#3,334 2,679 blocks after it
Position in block:
Transaction 17 of 236
Award day:
Feb 15, 2018 (8 yrs 8 mo ago)
To:
Value:
₱1,834,392.87
Project:
Construction Project
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 #3,334 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 739 BUILDERS on 2018-02-15.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 1a0d2ad730…3dd9c4now …
- 2. Block Merkle root changedstored 1549f2cde0…3835aanow …
- 3. Block #3334 hash changedstored 38b86f6564…a99ac7now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 235 records. Each step hashes the current value together with the sibling shown.
- leaf 1a0d2ad730693ff8aa28f1cc7f48c96b54f1646ef9edf14178d4e7b0b13dd9c4
- 01 L 19cb0198f65451453f63836e67fff7ad69f197c50bfd0e62b07808f7e3cd4df7
- 02 R 022897e53d76779729a594a29c2b818f10491d32eac129079de1797a26026005
- 03 R 1cc04478596d2902c657d1d0edd794be46c5fa65384e4380100f90748d64940a
- 04 R fd7c9c413ade3d46a306a59607753de3d9ea44dd2aa5652e14fe3aef9160603c
- 05 L 620e85d7b104b14c305584ea0177fdf5b3834c9c66b4b20997b33f373a0e5c0c
- 06 R 76aa73dc86291def794a01a9a3021fb11d355680b8beb642b4c12cc947db0069
- 07 R e2ec334fddbe2cefc9ad2ca3ff7217ce660af944dd7935b99864a1e1f242ba23
- 08 R 9095df9b42574829e1e8f293abbc0d35a608548ab8bd602b0a8e802cfc2e3e39
- root 1549f2cde0c15fa406fa5144a5d2c34476ae3b5fc397afc0d390c0d1453835aa