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
PROVINCE OF NUEVA VIZCAYA Award a ₱1.9M contract to MARCIA-JOI CONSTRUCTIONProvinces
Transaction hash:
8ec8bfd5f47bcebb3eaff9e9f1354f50f467b92db07f1cfcca8a6c3d752e4fd9
Status:
Included and unchanged
Block:
#3,116 2,897 blocks after it
Position in block:
Transaction 134 of 256
Award day:
Jun 27, 2017 (9 yrs 4 mo ago)
Value:
₱1,949,499.60
Project:
CONCRETING OF UNAON-STA LUCIA ROAD Located at Baga
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 #3,116 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)PROVINCE OF NUEVA VIZCAYA awarded it to MARCIA-JOI CONSTRUCTION on 2017-06-27.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 Nueva Vizcaya 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 8ec8bfd5f4…2e4fd9now …
- 2. Block Merkle root changedstored e6fb994f15…be3e93now …
- 3. Block #3116 hash changedstored a918444395…2c7ae3now …
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 255 records. Each step hashes the current value together with the sibling shown.
- leaf 8ec8bfd5f47bcebb3eaff9e9f1354f50f467b92db07f1cfcca8a6c3d752e4fd9
- 01 R 8f268cb7057fb13e957ff8103cad99e59868386e1f5a056256ca5707d8dfd1b1
- 02 L 5df1df3a9586cf71d000288fe0215f17c802422549817b1d80c0adcd715fabe2
- 03 L 4aaf64a5e5f710242d976f76b50430160d5ca170d8b9a4cbc0027ed3735e0f1a
- 04 R 4fe397e98e34912ffa95fb20865581ef0aede60dc6c8ff22b5916e92d4aada2b
- 05 R 6bba5bbcbd86ca2b26c5d303f98e01ab8ca9fdb53e1ad2df026ae4184ccd14f4
- 06 R b64dceacd08d49d27386d90032f4912cc9ea2059eca4a74073a90b5c70a7abef
- 07 R 56cf9d2e06b63f73707a28cc619c41aa4023fea06e93366ab98a37c5b5f90847
- 08 L 71dd4c68734bdd241c21a5972b502c97c4c9118e94c063e7e3711126c7bb1044
- root e6fb994f1554f751a9906f56120fbc4418c494a2943125a7736af814e0be3e93