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 2ND ED Award a ₱5.0M contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESNational agencies
Transaction hash:
5a48e614554be21d450850db161b29b208c09857c14340e241e9d318bd7b8aed
Status:
Included and unchanged
Block:
#5,021 992 blocks after it
Position in block:
Transaction 143 of 371
Award day:
Dec 29, 2022 (3 yrs 10 mo ago)
Value:
₱4,967,458.92
Project:
22AF0073
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 #5,021 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 2ND ED awarded it to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIES on 2022-12-29.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 5a48e61455…7b8aednow …
- 2. Block Merkle root changedstored 580ecbebc2…9e27b2now …
- 3. Block #5021 hash changedstored e53572ea6e…4ee8eenow …
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 370 records. Each step hashes the current value together with the sibling shown.
- leaf 5a48e614554be21d450850db161b29b208c09857c14340e241e9d318bd7b8aed
- 01 L 5a3c2cebc159d6a7f60e8c03f2af0d5032a928e44c6c9126902556a531a0e922
- 02 L 8cb1f368bf29be511c67937378d9e72c2063c5a23eb0be6e018de82dd9a54533
- 03 L 427ad8cdd6a40009bb60a89c9e7dbb75a6f29937376abdb0beb3b4e03eed014e
- 04 L 1b135f146601ae631fef1dee87715316567ab023816203a4d15936001c9ea3df
- 05 R 4d80c8c8bfb668dbe09297511e6ac70d5d03a006cec1d8d603f5cd877eba7fb7
- 06 R 098de55ce309e319350562a7bf461be900c8f87913832635e298fe4108991007
- 07 R e72fa70bb5122ab6defb0438cc2a6839aaf42486b5f0ef674db2a8ec1625919d
- 08 L 45400ba87a68d294b3452e8474f38406d973ffa32667ab60830e26644369eb40
- 09 R a3b25eab05c6b59ff36061ef825e126bdc49e025ff6735f8a55e0c5d3d394002
- root 580ecbebc2cb4e43598b55a78cf2ca298623c302e49071fa8cf430e0159e27b2