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 - TACLOBAN CITY SDEO Award a ₱1.9M contract to I.D.A. JR BUILDERS & CONSTRUCTION SUPPLYNational agencies

Transaction hash:

3a7ad56c2baceaec83fad33ece26880ec86d7a34e7c3b7fd4e10f95e0f7cdede

Status:

Included and unchanged

Block:

#1,820 4,193 blocks after it

Position in block:

Transaction 16 of 50

Award day:

Aug 2, 2013 (13 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TACLOBAN CITY SDEO

To:

I.D.A. JR BUILDERS & CONSTRUCTION SUPPLY

Value:

₱1,855,764.68

Project:

Const. of Flood Control Struc. Tanghas Lirang c.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TACLOBAN CITY SDEO

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 #1,820 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 - TACLOBAN CITY SDEO awarded it to I.D.A. JR BUILDERS & CONSTRUCTION SUPPLY on 2013-08-02.
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 3a7ad56c2b…7cdedenow …
2. Block Merkle root changed
stored 1b1e526430…eafe69now …
3. Block #1820 hash changed
stored cdd3aca556…13acddnow …

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

leaf 3a7ad56c2baceaec83fad33ece26880ec86d7a34e7c3b7fd4e10f95e0f7cdede
01 R 403960a2789c9730f736ac8f8f33c0cd3b17d900604983e871c6ded20f1476f8
02 R 962b2dec69680531544d29e4ead9a7a9d9ce4d21e0135aba4291e0d1bcf44247
03 R ed6f8f9f3663d4f06c09bceba46f449fbf66e8199987105cf418bbbbe7367821
04 R 05bc8cf8e4760553e81efd07e0f70e39d51423fcc4c4b1b2d9984a7d9ad75f6b
05 L 030dcd4a880cd706a0a305ef32b1fd3a623fe0e20049caf7d4636335e7993e95
06 R 6ee025124cbb40d737959abe8504151099ed4b65b3a8b5e3404ff057933ae989
root 1b1e526430430c507577a9091587d59e5a3afdbbdd615dd4855186485eeafe69