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 - SARANGANI DEO Award a ₱661.5K contract to BETTER WORK CONSTRUCTIONNational agencies

Transaction hash:

a110c2cf09a8e4ea28df020f06a636ac0215b13872062494210432660a6c4fa7

Status:

Included and unchanged

Block:

#1,160 4,853 blocks after it

Position in block:

Transaction 25 of 43

Award day:

Jun 6, 2011 (15 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SARANGANI DEO

To:

BETTER WORK CONSTRUCTION

Value:

₱661,454.00

Project:

11ME0035 - Regravelling of Unpaved Road Surfaces along Sarangani-Davao del Sur Coastal Road, Maltubo-Big Waay Section Km. 1739+000 - Km. 1747+000, with exceptions, Glan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SARANGANI 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 #1,160 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 - SARANGANI DEO awarded it to BETTER WORK CONSTRUCTION on 2011-06-06.
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 a110c2cf09…6c4fa7now …
2. Block Merkle root changed
stored 42e0ea0443…2262e8now …
3. Block #1160 hash changed
stored 1166044f09…166679now …

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

leaf a110c2cf09a8e4ea28df020f06a636ac0215b13872062494210432660a6c4fa7
01 L 9e2df05c4e7b00694948f733989fe3c3ec71cc54a373dbed7c806ef5b290fa5d
02 R 5204a60eb9504a43393b7e72a533b3be09b0dc4c3d3386cdb3c502896f92a53f
03 R 2654b674bde2f8b3a2956e825c64d59357a1502d7af8c3eb923baf451704e6c9
04 L e239a3ce11f353f5e319db9ded1c635a3f9e7d960f7a7d78932834da3b88814e
05 L 9f287b3b7cf51b18d09f800b4ab4e10f48516503cb0f7914f6bc846c602c356d
06 R 2d0c4334e05f2f1b58fc74a804825d356b33943495058a8e0f11f725155396b3
root 42e0ea0443bc43d99476d59488adb3ad967cf6834efc54d06b98083e642262e8