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 - PANGASINAN 3RD DEO Award a ₱10.0M contract to NORTHERN BUILDERSNational agencies

Transaction hash:

b78be8381cd7bb61d40c3cc4a5813fca057815daa4c0a5e8f58200ce661f2821

Status:

Included and unchanged

Block:

#739 5,274 blocks after it

Position in block:

Transaction 21 of 27

Award day:

Nov 23, 2009 (16 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 3RD DEO

To:

NORTHERN BUILDERS

Value:

₱9,994,630.06

Project:

Agno River Control Project at Brgy. Curareng, Alcala, Pangasinan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 3RD 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 #739 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 - PANGASINAN 3RD DEO awarded it to NORTHERN BUILDERS on 2009-11-23.
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 b78be8381c…1f2821now …
2. Block Merkle root changed
stored 703e901251…82d783now …
3. Block #739 hash changed
stored f009cf6717…5a5af3now …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 26 records. Each step hashes the current value together with the sibling shown.

leaf b78be8381cd7bb61d40c3cc4a5813fca057815daa4c0a5e8f58200ce661f2821
01 L a744487e4b91542e10e41065588da225c129b037fdd00ff1b94dc36ba985d59c
02 R 7f5e79edde289e1e66876eb1b64549b69ff53a4e0c35b1357952e10b0f8918b2
03 L 1c507a749969184654ca9431424c6d35e403273d717aaeb5b384dfa96008c7a3
04 R 7a8867bd2b25414aeef23133fe59db6ba072b27eb24e3797281b529a5ff125d4
05 L b629901541291d240b581568826ae4506f367e57452fceeb28c60b4654fa947a
root 703e901251f585ed09e13b8bee69daff7b9979b202678b2f57499bafdd82d783