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 GAMU, ISABELA Award a ₱2.1M contract to JFO CONSTRUCTIONMunicipalities
Transaction hash:
528a5d54ed2a40f9d0fb488ba096a96f07c3cbe2365fbb0929231c23b5292e9f
Status:
Included and unchanged
Block:
#4,394 1,619 blocks after it
Position in block:
Transaction 89 of 295
Award day:
Mar 18, 2021 (5 yrs 7 mo ago)
Value:
₱2,084,921.67
Project:
Cncrtng of Lenzon Brgy Road
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 #4,394 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 GAMU, ISABELA awarded it to JFO CONSTRUCTION on 2021-03-18.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 Gamu 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 528a5d54ed…292e9fnow …
- 2. Block Merkle root changedstored fbd6cb1f09…b59466now …
- 3. Block #4394 hash changedstored cfcd11109e…4dee2dnow …
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 294 records. Each step hashes the current value together with the sibling shown.
- leaf 528a5d54ed2a40f9d0fb488ba096a96f07c3cbe2365fbb0929231c23b5292e9f
- 01 L 5129f5f2dd1ac89a9aad8fecd0990990968977d28f87f3bfabf82577e84af33a
- 02 R 098474f5756a113d05c1ee1b5f0841f5c91ada0ed8e92c140dbc841444c4bfcb
- 03 R 898471bf67d8b2574c740940fdf930e96ed6c0eab91f7347a2e5aef871dcaff3
- 04 L 96f6877b83855267fefb3b4ff98db0a3a35bbe17db2b13fd999506b10e830004
- 05 L 334b08e655fed18d7b253404afdb1a1ca63824ca5b66256bbe3736fd848f4d42
- 06 R 82bde82d8941ca2a757bc3df998087f36ea73e19a1ce03fee8b4a36a545bb0d8
- 07 L ee91357abf3945d9b046e8dcfc38e0d65b1fa8b97340178585ffb2ed14044027
- 08 R ee301ce4b754f0211f0231f1cf65fd2037a435ecf7f6956cb5a218f81fb9d8d1
- 09 R 5270d768ec93d6e5049e664daf791519b138403f047e273b7242df48259be32d
- root fbd6cb1f0994bd7491107f52f4379d970ba1490ccd32b570ca4f49ed08b59466