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 - ABRA ED Award a ₱93.2M contract to MG SAMIDAN CONSTRUCTIONNational agencies

Transaction hash:

2c3aa149dea1f4bcf0922248c2f97ac96ad25686c5012ac4d2a5c690de4d15ff

Status:

Included and unchanged

Block:

#5,140 873 blocks after it

Position in block:

Transaction 1 of 5

Award day:

May 1, 2023 (3 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ABRA ED

To:

MG SAMIDAN CONSTRUCTION

Value:

₱93,174,676.36

Project:

23PA0123

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ABRA ED

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 #5,140 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 2023 CSSP", i.e. the FY2023 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 - ABRA ED awarded it to MG SAMIDAN CONSTRUCTION on 2023-05-01.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 23PA0123: On-Going, 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)
No completion certificate published.
Not published
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 1 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 2c3aa149de…4d15ffnow …
2. Block Merkle root changed
stored adfe002aed…ff0d0dnow …
3. Block #5140 hash changed
stored 4df9110beb…350d98now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 4 records. Each step hashes the current value together with the sibling shown.

leaf 2c3aa149dea1f4bcf0922248c2f97ac96ad25686c5012ac4d2a5c690de4d15ff
01 L 28665a8f5c2554b2e6bc4b30c23dfe1f1ca64da49cd297671b8e1f67bd6e7737
02 R e5baacc4645ffdce9276f6ec1582c18f705a1669a57fd6ffd7a87b1d20e6e561
03 R 57ae8747fbe4261bd4bd4b39542ed8f8478613772642f5e96a5b5664880eaf35
root adfe002aed36048e33b10410a7ebf7221f2d3ced1b9e397a59d61d7295ff0d0d