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 - TARLAC DEO Award a ₱33.4M contract to NORTHERN BUILDERSNational agencies
Transaction hash:
d4e4e9c3b623b06eeb2a2f9d77e3a088e61875488b229d0eca1c8ab12912cc44
Status:
Included and unchanged
Block:
#3,132 2,881 blocks after it
Position in block:
Transaction 229 of 273
Award day:
Jul 14, 2017 (9 yrs 4 mo ago)
Value:
₱33,366,059.99
Project:
17CJ0123
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 #3,132 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)DPWH lists the funding source as "Regular Infra - GAA 2017 MFO-1", i.e. the FY2017 GAA. The exact UACS line is not given.Partly
- 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 - TARLAC DEO awarded it to NORTHERN BUILDERS on 2017-07-14.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17CJ0123: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2018-04-26). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 d4e4e9c3b6…12cc44now …
- 2. Block Merkle root changedstored 0e41bf38cb…a31cf2now …
- 3. Block #3132 hash changedstored 7e0510c584…1f12d4now …
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 272 records. Each step hashes the current value together with the sibling shown.
- leaf d4e4e9c3b623b06eeb2a2f9d77e3a088e61875488b229d0eca1c8ab12912cc44
- 01 L d49e9458cd0a41931648de6e3ff5b051ee18bc2e5c19d3388dd00c1dab7a0b60
- 02 R 12a456b8fab132d6004808fe52b7677e08e6c0b46bbf739ad8422a1953ea36f3
- 03 L 73efeeaf169a1a7db6d92c8d3faa1a2d355b8ee8068fed8a85ce9676e4aae46a
- 04 R 19f383377303cde711e51857e9a0a2ca5b9cbeabfbba6b6b980d07714510bf04
- 05 R 836c391fcdd0df091bbc7451f41a2428fc8b3e6d9ed43649b64af39902fe2866
- 06 L f4a9b2ff11ddb7953b7b9f671b0e3e618fe05a5ece0e72148d8ffaa681f3a1ec
- 07 L 096448b642d8c1c7b2b6d7f15f72e10074872045c4f7eb5e849decabcfbb4475
- 08 L ead7dc67ff4ed99a63e8510047cad19f15089b20fb498fd40228af40f87db56c
- 09 R 81e6f3667b2acbb50c314659344f1687f65b5f1bd4bb721d1b164fc812a2bb0d
- root 0e41bf38cb33dfca5d988a19d8af01536d65184b29025fc338b5f47cbea31cf2