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 ₱4.4M contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESNational agencies
Transaction hash:
0c8166c0f3c6ddb50d284a678d1d72dae82188d07a032c27df316cef14916472
Status:
Included and unchanged
Block:
#4,957 1,056 blocks after it
Position in block:
Transaction 7 of 192
Award day:
Oct 25, 2022 (4 yrs ago)
Value:
₱4,394,619.09
Project:
21AF0077
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 #4,957 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 2022-10-25.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 0c8166c0f3…916472now …
- 2. Block Merkle root changedstored 641699efe9…00ad03now …
- 3. Block #4957 hash changedstored d64fcb2a61…635310now …
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 191 records. Each step hashes the current value together with the sibling shown.
- leaf 0c8166c0f3c6ddb50d284a678d1d72dae82188d07a032c27df316cef14916472
- 01 L 0bd6bf3a8c39f7760dd6ce5668bab39bcb3f420b3a6fc148591fc7a08bf09882
- 02 L 7c3c06789caa705e2e3472f87b4701abc543697c15dd0618fdea375f6e404097
- 03 L 3c92bab1291d51f7342ba0fb304a5cac15b30f28c20c89dd439b100562f71c0c
- 04 R c12c7c1c7f5e6ac0b6754396948f0af03a9539db76bc7c7e77b62c12c55fcbd4
- 05 R c5455c2c6500a21587080be6de3dd5c3307131fffe3d36c4772dfe6b2ce03e8a
- 06 R 6738a4c13a07aa3f51d3b2a92d3624f23ff9623893cd3615028d9f56ff091b52
- 07 R b1034d9583b67061a2a09ef79ba5260c37add6ad5f6134a74804183910bf3c6d
- 08 R 5b3ec214820a4bc99f433b12b795fa4d03a06fb38c5018dd6dc5fb12a38cc133
- root 641699efe997c18b4f202e6515547a36da02dfa0c98975aa31d5e4271300ad03