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
MUNICIPALITY OF GENERAL NAKAR, QUEZON Award a ₱442.8K contract to F.M. PUJEDA BUILDERS AND CONSTRUCTION SUPPLIESMunicipalities
Transaction hash:
1ef2c8a6f76bbf2ee37170c552912c83e4be2d1be7e94978eabbdfecc463a39f
Status:
Included and unchanged
Block:
#3,519 2,494 blocks after it
Position in block:
Transaction 31 of 283
Award day:
Aug 30, 2018 (8 yrs 2 mo ago)
Value:
₱442,763.86
Project:
Construction of Projects
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 #3,519 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)MUNICIPALITY OF GENERAL NAKAR, QUEZON awarded it to F.M. PUJEDA BUILDERS AND CONSTRUCTION SUPPLIES on 2018-08-30.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 General Nakar 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 1ef2c8a6f7…63a39fnow …
- 2. Block Merkle root changedstored 57198f4bfc…d7fbc8now …
- 3. Block #3519 hash changedstored 1852960f25…4a2d91now …
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 282 records. Each step hashes the current value together with the sibling shown.
- leaf 1ef2c8a6f76bbf2ee37170c552912c83e4be2d1be7e94978eabbdfecc463a39f
- 01 L 1ce890e160286ef8a4aaf2b9847acc03ddf9086f64990f585bd8c2c8141cd7f1
- 02 L 43caf55a6ea450272fe7e196fcc226d27e0e6ace29f2210012db14ef446a7b5c
- 03 L fab9ba2e1a64dde41c13a9da525494508a7529ca5a0e082717ea3af4bbb91f8e
- 04 L 44721a81af29a108f76cf3eb53a3724584db4eeabc467037ae9f04b0e6237496
- 05 L 1337fb2123771e4cbbfc2b63192ae45574ef74afede96f4908f38deb8c158f90
- 06 R 6cbdb5f53b268d7eb88788bb99d52daa12ec899fcab422aff02f4c4615815587
- 07 R 3ec0373a3c32bf21693915674b911093e76205c0d03d71ab424647274db8d514
- 08 R 461f1ff72b4a3ec57afc6e4d99d3ce92b33db87ff37d0732b06c6396eeef55b6
- 09 R b3c58f360c0daff88fff3c508c7082b720b0be02c284781f5188781c369afaf9
- root 57198f4bfcda98eec3ed7b191816393071c053dd0351603790cee88caad7fbc8