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 - ILOCOS SUR 1ST DIS Award a ₱4.7M contract to 739 BUILDERSNational agencies

Transaction hash:

8a821231b8d5d4eae43034dda3a57cb43b7153600b033c97ea70f8e608b31c44

Status:

Included and unchanged

Block:

#1,342 4,671 blocks after it

Position in block:

Transaction 29 of 52

Award day:

Jan 5, 2012 (14 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 1ST DIS

To:

739 BUILDERS

Value:

₱4,724,024.36

Project:

Rehabilitation / Improvement of Existing Flood Control Project Along Mestizo River, Pagpandayan, Vigan City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 1ST DIS

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 #1,342 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)
The award does not say which budget line pays for it.
Not published
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 - ILOCOS SUR 1ST DIS awarded it to 739 BUILDERS on 2012-01-05.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
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

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

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 8a821231b8…b31c44now …
2. Block Merkle root changed
stored a0bf4aa22b…84d42bnow …
3. Block #1342 hash changed
stored 71a4289b80…972c82now …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 51 records. Each step hashes the current value together with the sibling shown.

leaf 8a821231b8d5d4eae43034dda3a57cb43b7153600b033c97ea70f8e608b31c44
01 L 86a9764f25bc2db47cfa1cb64fd1127a4e68dfd3d724e3735ef4087e66998bf4
02 R 4b37e54449e449806df38dea3adae9c2057e241e8ddab042f1642bbd40986765
03 L 427af5352f947260df74f942adb309a03ac0e96bf6988a37a740cade9ad667ba
04 L 97bbc68fafd7eceffe3cbf4676fbed0ec9b35280a569aec5e16b274ee40979a6
05 L a53e09f28b86e3fc4bc89bad408ba526dd750e5783b021b21889c25d3b679f99
06 R 6ede614ebd1d994d69052e9a26443bd4ef13e6c0305d10352c2768c354949a7a
root a0bf4aa22b058e79067d9cbbe57921496e71805c52719c0a327e735d6f84d42b