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 ₱997.3K contract to HEAF CONSULTANCY & ENGINEERING SERVICESCities
Transaction hash:
50fa8fcc06cff47edc82daa072ba9383bbc4cb02a1af889f066ce862c2c21e94
Status:
Included and unchanged
Block:
#2,957 3,056 blocks after it
Position in block:
Transaction 64 of 207
Award day:
Jan 10, 2017 (9 yrs 10 mo ago)
Value:
₱997,283.70
Project:
Construction
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 #2,957 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 HEAF CONSULTANCY & ENGINEERING SERVICES on 2017-01-10.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 50fa8fcc06…c21e94now …
- 2. Block Merkle root changedstored 0aa4adbfc6…56f89enow …
- 3. Block #2957 hash changedstored 9f46373c7c…b1bcd7now …
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 206 records. Each step hashes the current value together with the sibling shown.
- leaf 50fa8fcc06cff47edc82daa072ba9383bbc4cb02a1af889f066ce862c2c21e94
- 01 R 51228e62bcf8619e18f62e392e6b4812915b23e7a05f97b680ff366657ff65b7
- 02 R 43e9316d1df885db98fc708ac4b5d7378fd958d9e22aa27635bfd4c09f2eb2a4
- 03 R e3b5ae1d3bec04d6e2dcd030fe27d83d220fde7ceec8537c375f394d04be3eac
- 04 R 329ad2dfa07d5260a480075c9017eaf954a13562686d362d7c6c6a9ddc513e3d
- 05 R b17eb3c31dd572c09f544e94b59f52742a678883d2dc578acb01b5d553eac63c
- 06 R 8eb3fb5f6c765952be852789e0931b078861e7baee73cfaae59fbca7db97f051
- 07 L 15249a8278f57e16ec8c622e84cba3fa4c3521b13201731059cf182645300f2b
- 08 R 4111fbe135757bfd96cac7021da44506dc5f55fb0c23622c99f87317195f1c36
- root 0aa4adbfc60c4b8879fcd8b1f8d0170c5026bef977fd7d9677615aff2056f89e