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 - ALBAY 3RD DEO Award a ₱11.6M contract to FIRST OMB CONSTRUCTION AND DEVELOPMENT CORPNational agencies

Transaction hash:

d7b9e2eba8563f874c934091983e2efe0dba7a508361019b9a25c127cdc8f99b

Status:

Included and unchanged

Block:

#4,508 1,505 blocks after it

Position in block:

Transaction 182 of 219

Award day:

Jul 15, 2021 (5 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 3RD DEO

To:

FIRST OMB CONSTRUCTION AND DEVELOPMENT CORP

Value:

₱11,577,966.37

Project:

21FO0131

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 3RD 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 #4,508 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 "Outside Infra - GAA 2021 DA FMR", i.e. the FY2021 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 - ALBAY 3RD DEO awarded it to FIRST OMB CONSTRUCTION AND DEVELOPMENT CORP on 2021-07-15.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 21FO0131: 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 2022-02-08). 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 d7b9e2eba8…c8f99bnow …
2. Block Merkle root changed
stored 78c9f53dd7…ec4ed2now …
3. Block #4508 hash changed
stored 874ec380b5…1fc7a2now …

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

leaf d7b9e2eba8563f874c934091983e2efe0dba7a508361019b9a25c127cdc8f99b
01 R d83cc6c4442fb638725065b1f890de7fe0633d70f2e62b668ad59c6a7ee8eacd
02 L 15a25e390cc58a4847a89b6f634bdf2b0f27754923ab86dfef43e167428fcd7b
03 L 167ebd430ef3cef65ee11528449bfb9019847d3edeff0a773cfe8db75e073abc
04 R b7f6c0f389c0a07d13a9031aa781b5e8fa12aeb90e5ffe9090d1c129bd07a1c1
05 L 69ece319310c1c3bd8932ef9433014c875f5134851c9ccaefd7413a2a1f43d03
06 L 39557d89b37987c717e3532bfc75e1861bc1f62cc85fbeafa5c5439539437c1d
07 R a5b5a3e524be4c27b2a3e35dce85740d19d76f7e12428a44993b9d6891da6a24
08 L 01153e4365236c7e9f6974300cc7a7108e840628dd3b366c40ea1a4d65f88069
root 78c9f53dd7da95be83c72c39ba16d57b2444f65a8bc4557769c811d202ec4ed2