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 ₱1.4M contract to DELPAR CONSTRUCTION & SUPPLIESNational agencies

Transaction hash:

a289a6aaecdfd1dc1626cd0a4293da8b3a010615e8d500e0a50f4635e7001501

Status:

Included and unchanged

Block:

#1,492 4,521 blocks after it

Position in block:

Transaction 63 of 102

Award day:

Jun 28, 2012 (14 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 1ST DEO

To:

DELPAR CONSTRUCTION & SUPPLIES

Value:

₱1,424,770.00

Project:

Improvement/Rehabilitation of multi-purpose building at Bulacan State University City of Malolos, 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 #1,492 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 DELPAR CONSTRUCTION & SUPPLIES on 2012-06-28.
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 a289a6aaec…001501now …
2. Block Merkle root changed
stored 42f977a401…7af712now …
3. Block #1492 hash changed
stored 7521aacd5a…865cdenow …

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

leaf a289a6aaecdfd1dc1626cd0a4293da8b3a010615e8d500e0a50f4635e7001501
01 L a1c946467f6b2b413a688e17a11b1ab56de23e70695777cd6d8ec2720f39bbb6
02 L ede0c03090b9e289d9c9637c10a7d99df9606e6544d16b934ffeffed3f2f4482
03 L 727c87f930f0eaa43d694182512228b95da285357ec6557ef7cf79fd7b431a9e
04 L ea70498bf414d78bc841e54aee943130c220a4fe15c873a98d55985aa050cc32
05 L 17cf792d61fc35c665314a1dbe42c2a7a032bac30d99db764d46d7816460a108
06 L 06f9cf4f90a777757afc80137fea2ef1ba450d01c57f767fbc7657beb197d5f4
07 R 956e99bf1560da2ddb92a37be1bf5f64df0283a6348470615382801444f7a531
root 42f977a4018dfa82d993e3627fc12da7166421ee814cdd873cf4912ce67af712