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

API

Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BOHOL 2ND DEO Award a ₱9.7M contract to SOMBRIO CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

6aeb2c1f8bb64d0f018fedaa2e28177fffad817cd92466707b03fe1c40535ba9

Status:

Included and unchanged

Block:

#4,278 1,735 blocks after it

Position in block:

Transaction 73 of 166

Award day:

Nov 12, 2020 (6 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BOHOL 2ND DEO

To:

SOMBRIO CONSTRUCTION AND SUPPLY

Value:

₱9,700,000.00

Project:

20HC0182

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BOHOL 2ND DEO

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 #4,278 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
DPWH lists the funding source as "Regular Infra - GAA 2020 LP", i.e. the FY2020 GAA. The exact UACS line is not given.
Partly
Open
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BOHOL 2ND DEO awarded it to SOMBRIO CONSTRUCTION AND SUPPLY on 2020-11-12.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20HC0182: Completed, 100% physical progress.
Found
Open
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
DPWH marks the contract "Completed" (end 2021-07-04). The certificate itself is not published.
Partly
8. Audit
COA 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

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored 6aeb2c1f8b…535ba9now …
2. Block Merkle root changed
stored 64572bb6d5…015c52now …
3. Block #4278 hash changed
stored 9e930218fb…669356now …

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 165 records. Each step hashes the current value together with the sibling shown.

leaf 6aeb2c1f8bb64d0f018fedaa2e28177fffad817cd92466707b03fe1c40535ba9
01 L 6a564d7d5216f2eaed3cace89aaba1bb5d5d811b21f3fd486e832340c3eda9b3
02 R 33180a18f154a99f13c827de08a19bc23d996c04c9e71236db50c3c718f0e72a
03 R b58368ffa385f32393dbddf8139d1dc0c081c95485e63f4c6b9844699c35c02b
04 L 0c50f6a051c1f9382677081cda766a3d2a787a1e08cb243ee7d23cfcf4e0a66b
05 R 6c31e56aafd00f31aacb1e6263409c058812c17eae5c4815727c6f03508611ad
06 R 6eec4981559712f67e2a7f0b45386fe701ab481089c37a191995bb3f186e7054
07 L 267461ac4f4cd424adfe2a76b425fc2f46f16897b529bc844a49ff1b3f5eb28a
08 R 8279dd0e8d8096edb704a07cb76e4b9144d18dcf248327afff3357b1d78327a7
root 64572bb6d5dbfbbf3bba009d04267ce78a4180d9b40476bf0eb8382419015c52