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 ₱9.5M contract to MARGARITA CONSTRUCTIONNational agencies

Transaction hash:

2dd3496238aac81a25955d4e7ebd8db1e628fbb9d745e5621be405b278501c5a

Status:

Included and unchanged

Block:

#1,375 4,638 blocks after it

Position in block:

Transaction 15 of 93

Award day:

Feb 10, 2012 (14 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

MARGARITA CONSTRUCTION

Value:

₱9,503,443.50

Project:

Rehabilitation/Reconstruction/Upgrading of damaged paved national roads along Daang Maharlika Road km 43+450 to km 45+030 Pulilan, 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 #1,375 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 MARGARITA CONSTRUCTION on 2012-02-10.
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 2dd3496238…501c5anow …
2. Block Merkle root changed
stored 48a4e6ef69…1db3eanow …
3. Block #1375 hash changed
stored 8cf56856c8…360599now …

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

leaf 2dd3496238aac81a25955d4e7ebd8db1e628fbb9d745e5621be405b278501c5a
01 L 2a08a464d20b9e4ef5efc0e9f7a8f62c801bf90e9f64f9d2fcc7943ce3ab4bdf
02 L 223c51b666f4b81b519238b366affab77ed09a6e631f7056c87d135c0744dd76
03 L 6ece3bc52db7e1e2e5d6f3fdbe4f6663b6c440d7d3eee66cb83d3a0a33c8b839
04 L 9da48978df205e101e6bfdb552ca72b19ecd2c12f807561afd0ba344f69b5a88
05 R fbb33d6c5bf0d66653c3faa694ee73049da5b5981c86c81b2da5905e72663942
06 R e9b4e1d484c912ca14022e6cb9a9c543281f943c89d0b71d6df9cc4856b671d3
07 R 545931533de4e50338f5754811e49dbbd9906ebf789d31b61842d8cde61bcb62
root 48a4e6ef6933b581e687827f72a18d0a278d6e4f03ed4afebf58b485ee1db3ea