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-BULACAN 1ST DEO Award a ₱4.8M contract to V.M. JHEK BUILDERSNational agencies

Transaction hash:

620f92a6bfe2d034e2c60fbf87d244c8eced9beee1241dfc94a6de652ed3ff4c

Status:

Included and unchanged

Block:

#818 5,195 blocks after it

Position in block:

Transaction 32 of 81

Award day:

Mar 9, 2010 (16 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

V.M. JHEK BUILDERS

Value:

₱4,776,119.00

Project:

Improvement of Flood Control of Guiguinto River and Creeks Guiguinto, Bulacan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST 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 #818 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-BULACAN 1ST DEO awarded it to V.M. JHEK BUILDERS on 2010-03-09.
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 620f92a6bf…d3ff4cnow …
2. Block Merkle root changed
stored bb39d22f8f…a2f645now …
3. Block #818 hash changed
stored 31ac99c755…eb8388now …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 80 records. Each step hashes the current value together with the sibling shown.

leaf 620f92a6bfe2d034e2c60fbf87d244c8eced9beee1241dfc94a6de652ed3ff4c
01 R 65088c4b1f2478ce707ec89965f7493cfcf82c84b2559ee043b43b62790a4c97
02 R 6b92a8d32ac676057cc9047263f33ae0255c2cd8ec8f94e3103677529c4a8c34
03 R e89e2ff01c9a6ee26aa3a176fcfc0df6fb4ca5a5e7e714eedd49d678e395a30e
04 R e1d91dc8c38fd105b6758e82583429ab4fc5aceb2c17ac1ad7af5c05b8198903
05 R 2c79d8a6ad0e01a154e6d37c1b82ea3f65eeb4fa6929d4831cd741ad9c543f23
06 L 01b8dd202bcf821ccdabb965118b4ff6e88e4e95009da7c84267bfd941cdd9ec
07 R bef89e9372df047f33755a54f95458f9dc727ade812f291f0dfca017f660b467
root bb39d22f8fc3c257e1958bd4810b33d60b01dada0e63160c8d48e3367fa2f645