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 & HIGHWAYS - ALBAY 2ND DEO Award a ₱945.6K contract to HRB CONSTRUCTIONNational agencies

Transaction hash:

43fb8e686ffcfe1ecca14100948fce5ec4ac3a5dfc01497af070f1afca8b85dc

Status:

Included and unchanged

Block:

#1,117 4,896 blocks after it

Position in block:

Transaction 8 of 36

Award day:

Apr 11, 2011 (15 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - ALBAY 2ND DEO

To:

HRB CONSTRUCTION

Value:

₱945,566.10

Project:

Const./Rehab. of School Building, Busac Elementary School, Brgy. Busac, Oas, Albay

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - ALBAY 2ND 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 #1,117 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 & HIGHWAYS - ALBAY 2ND DEO awarded it to HRB CONSTRUCTION on 2011-04-11.
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 43fb8e686f…8b85dcnow …
2. Block Merkle root changed
stored 0c0eee8c19…a98555now …
3. Block #1117 hash changed
stored 77f18192db…f11e40now …

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

leaf 43fb8e686ffcfe1ecca14100948fce5ec4ac3a5dfc01497af070f1afca8b85dc
01 R 4eb0edd41233185b6a9ab7c59b54019ab28c4366429f97b3ffa62413cffd0281
02 R d7ad5e844e5d6c70ceb99d111f48520023429a652da1875f7995a351a9523253
03 R 545aaf53b513afffe9f384d9ed31fa7964b186401090169006c950277dc5d2fb
04 L efb91ed3feebcf1eb1c09c5e1666d4d89e428d22066aadef5b7efffcb68c3405
05 R bdeb4308835d9e7587fdc2d6d94ac66ad1917aa19cb5f92f8c282c6a0b8962b3
06 R ff05e340b91dc0f1513d2426721723c5a17938c0262f9591961afc882317de29
root 0c0eee8c19df791d86d3ff945bffd80e9a4169afec71c79d94bfeaa906a98555