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 - ISABELA 3RD DEO Award a ₱3.5M contract to CAUAYAN UNITED ENTERPRISES AND CONSTRUCTION BUILDERSNational agencies

Transaction hash:

2f5bcf06fac35fb9bb5978cdba3b1cc6826fb83c3f081ac7192876d9c41cbfb7

Status:

Included and unchanged

Block:

#1,342 4,671 blocks after it

Position in block:

Transaction 7 of 52

Award day:

Jan 5, 2012 (14 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD DEO

To:

CAUAYAN UNITED ENTERPRISES AND CONSTRUCTION BUILDERS

Value:

₱3,464,543.70

Project:

Preventive Maint. along Cauayan-Cabatuan Road (Reblocking with Overlay), K0380+(-103) to K0380+329, Cabatuan, Isabela

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 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 #1,342 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 - ISABELA 3RD DEO awarded it to CAUAYAN UNITED ENTERPRISES AND CONSTRUCTION BUILDERS on 2012-01-05.
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 2f5bcf06fa…1cbfb7now …
2. Block Merkle root changed
stored a0bf4aa22b…84d42bnow …
3. Block #1342 hash changed
stored 71a4289b80…972c82now …

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

leaf 2f5bcf06fac35fb9bb5978cdba3b1cc6826fb83c3f081ac7192876d9c41cbfb7
01 L 2b953df10ea59b0df4ccc2a1c2ca773b3385025c00a1fa1d35b55fb22aff8074
02 L d2ab9382c564105dac4ec5d80072fea6a306a4f0f08e368086104689258228c4
03 L 2e298cd6e43ccc8d88909b1fdc5019f2d8c8db407014a72bd607abcce37059aa
04 R a6693c2bbf9794cc3c2743684603ab21ca92b62ef6055283a15d5a521c82d0a7
05 R 6a1bf4292b7a42815eec4cfd88ffe995f72d05967c6dd71428dba3721a912fdc
06 R 6ede614ebd1d994d69052e9a26443bd4ef13e6c0305d10352c2768c354949a7a
root a0bf4aa22b058e79067d9cbbe57921496e71805c52719c0a327e735d6f84d42b