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 - MM 2ND ED Award a ₱12.2M contract to ST. BERNARDINE CONSTRUCTION & ENTERPRISESNational agencies

Transaction hash:

1a16d0908f9cd86de0b135bb85a2f8df79f6d724ee6090a9a69026b8a9e34452

Status:

Included and unchanged

Block:

#1,462 4,551 blocks after it

Position in block:

Transaction 1 of 41

Award day:

May 24, 2012 (14 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MM 2ND ED

To:

ST. BERNARDINE CONSTRUCTION & ENTERPRISES

Value:

₱12,184,055.78

Project:

Cleaning/Desilting & Bank Improvement of Sun Valley Creek and Tributaries including Construction of Box Culvert across Sta. Ana Drive Barangay Sun Valley, Parañaque City, Metro Manila

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MM 2ND ED

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 #1,462 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 - MM 2ND ED awarded it to ST. BERNARDINE CONSTRUCTION & ENTERPRISES on 2012-05-24.
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 1a16d0908f…e34452now …
2. Block Merkle root changed
stored f35beec287…512c4cnow …
3. Block #1462 hash changed
stored b26d3669a3…8a1874now …

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

leaf 1a16d0908f9cd86de0b135bb85a2f8df79f6d724ee6090a9a69026b8a9e34452
01 L 10ffa909184224fcbbbecc50e3dc0178f26aee7aab42071e845ccc759638e06a
02 R bc6d196bc6c6707968dae0da89043412647a972e37c8352a5257caf80da413ee
03 R b4737ac1532c8e3a44fef87304ed418bf37cf2f211c9ae03bd07743f5a9363d4
04 R 687c3cff339e93d81dc5e34ba1f0e56cfd19bf25d3e69bfef8170d705f89f9ff
05 R bcd86cb223ca59d99bc2f74b9f8374ea78c5f0c7e6ac6be05edc99571f07c808
06 R c822f8b742e8af1f65008ac6be4e10b92100eace3466ba23d4b633426803884f
root f35beec28771063d5f6ce108ab4b13b5771cf1b0a403e331db05ad846e512c4c