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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LA UNION 1ST ED Award a ₱3.4M contract to PAGTAENGAN BUILDERS AND CONCRETE PRODUCTSNational agencies
Transaction hash:
83f5ac6f2b937138ee85a76af0cbd83978fae54a6de7faf0b76c2073320b3d96
Status:
Included and unchanged
Block:
#4,141 1,872 blocks after it
Position in block:
Transaction 114 of 218
Award day:
Jun 23, 2020 (6 yrs 4 mo ago)
Value:
₱3,394,548.60
Project:
20AE0064 Civil Works
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 #4,141 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LA UNION 1ST ED awarded it to PAGTAENGAN BUILDERS AND CONCRETE PRODUCTS on 2020-06-23.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 83f5ac6f2b…0b3d96now …
- 2. Block Merkle root changedstored a0a188f4ea…6a3a67now …
- 3. Block #4141 hash changedstored 5ab15eee52…6d7c83now …
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 217 records. Each step hashes the current value together with the sibling shown.
- leaf 83f5ac6f2b937138ee85a76af0cbd83978fae54a6de7faf0b76c2073320b3d96
- 01 R 853163cbeafbaa329610f51d02d03d1c2583de7cc15f23650b0041042cb1c8a3
- 02 L 90783da868b06a29e594cf9e14323a3d5051bb3b14e9f7899714932661d86c69
- 03 R 04e4f92f64131e7937609e2e1e8dd3810312e3428e59321837d5ae5bcbc819ee
- 04 R 9d01502775f02290b0ebd511891bfcc7d704e2cdb76acd314f84ce48587a72ad
- 05 L 14121072aef1fb530e4ff79515d377aa4bd7ceafaf89019199f1626beeda1664
- 06 L e967f6a5b0af6f30cd25ce37b076ad8a1e5c660d576e69e3cbd9f6ffe89c5733
- 07 L 3b6bb4db6097924cb0552eda154f1008920b72632c8bdb9ff244617e37478f69
- 08 R 96f2028f6cf1fc62cfe0d91a6ed819cb2d447c7ad39273a559a7218f6c0c88f8
- root a0a188f4ea9515cf709e0b0333d7aa677bbc2b9d71c67317c81af3c96d6a3a67