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 - LAGUNA SUB-DEO Award a ₱188.1K contract to DSO ENTERPRISESNational agencies

Transaction hash:

f2ccafa2f536dd4eb91e0f01f9ec171dc799f3181e31b9ec707980d7991795a2

Status:

Included and unchanged

Block:

#1,249 4,764 blocks after it

Position in block:

Transaction 28 of 31

Award day:

Sep 21, 2011 (15 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA SUB-DEO

To:

DSO ENTERPRISES

Value:

₱188,093.71

Project:

Invitation to bid for Construction of Various Rainwater Collector Systems

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA SUB-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 #1,249 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 - LAGUNA SUB-DEO awarded it to DSO ENTERPRISES on 2011-09-21.
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 f2ccafa2f5…1795a2now …
2. Block Merkle root changed
stored ccc1fc1fc8…6c82b8now …
3. Block #1249 hash changed
stored aad147114a…ea9a03now …

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

leaf f2ccafa2f536dd4eb91e0f01f9ec171dc799f3181e31b9ec707980d7991795a2
01 R f3afa2bd33a305e948ffa11a7fbde389faf3277067a2bd3ff5e1583e4713e056
02 R 55d866a30b8bc983e0a22a010fe0050218d2553d23e053547608b500fd9d7126
03 L a660f7a727ca1ae1af01dd127af05779936ea44a4deaef8f4c5c781557051ff0
04 L 29d221a2199044b4f18f1b84cd5a71bdc7613345549924b7b1cb7317c0e50ac9
05 L e45959cabdd16570230e478e910b8a4a57db827e0099f0119da9dcaa6062f70d
root ccc1fc1fc8e406c94856ba5e1ec6277dc7338b36554b21438bf96acc6a6c82b8