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 ₱662.4K contract to CAUAYAN UNITED ENTERPRISES AND CONSTRUCTION BUILDERSNational agencies

Transaction hash:

39954ebaa4cfb6c8b048af2e6e0e58f7f6b444242f304b371022de5dcd37c5ae

Status:

Included and unchanged

Block:

#1,572 4,441 blocks after it

Position in block:

Transaction 12 of 58

Award day:

Sep 28, 2012 (14 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD DEO

To:

CAUAYAN UNITED ENTERPRISES AND CONSTRUCTION BUILDERS

Value:

₱662,429.46

Project:

Construction/Repair/Rehabilitation/Installation of Deepwell/Artesian Well Angadanan, Alicia, Cabatuan, Cauayan City, Reina Mercedes, Luna, San Guillermo & San Mateo, 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 #1,572 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 2012-09-28.
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 39954ebaa4…37c5aenow …
2. Block Merkle root changed
stored 9d22eb0b07…e6fd2bnow …
3. Block #1572 hash changed
stored 22193d47f6…005de2now …

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

leaf 39954ebaa4cfb6c8b048af2e6e0e58f7f6b444242f304b371022de5dcd37c5ae
01 R 3b8860e24d1696f8a389acd09e541dcc5eb70f5d5888373555e9e9993b812573
02 R 2278c77a143e519bd9bd7244f4c057a6784266facbeb5f3b346c1c55f8472599
03 L cdb1de09a59845c9513b5b1114a1b402352f7064e5f4cb455a88cffcb9a9ed81
04 L 8b0e9de73c27d1acd22bc310f3d9aa61f29df24f2e1318c770ec3f262ca69aff
05 R 1eda3f8d05de28e9e41e28632acbe61cba2743281e1f02212609f237a8696785
06 R 49c39b2b86c1b031837d922dd1d7145ce897a03ac988a71403dafcc51e67a589
root 9d22eb0b0716f100ca3f3d4a1101e2e9b9e832e76892c200f5326629b4e6fd2b