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 - REGION VIII Award a ₱6.7M contract to B.Y.A. BUILDERS & CONST. SUPPLYNational agencies

Transaction hash:

5c85de1c82ea9e8252eaed04a412e2487025e6426655850df109c4f934a2c41f

Status:

Included and unchanged

Block:

#1,432 4,581 blocks after it

Position in block:

Transaction 18 of 60

Award day:

Apr 18, 2012 (14 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VIII

To:

B.Y.A. BUILDERS & CONST. SUPPLY

Value:

₱6,746,588.16

Project:

12IO0003 Repair / Renovation of Hospital (Calbayog District Hospital), Calbayog City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VIII

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 #1,432 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 - REGION VIII awarded it to B.Y.A. BUILDERS & CONST. SUPPLY on 2012-04-18.
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 5c85de1c82…a2c41fnow …
2. Block Merkle root changed
stored 951bc4ccce…13ae75now …
3. Block #1432 hash changed
stored 21f9df5dd8…93f734now …

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

leaf 5c85de1c82ea9e8252eaed04a412e2487025e6426655850df109c4f934a2c41f
01 R 5cf54f1f4f392d63a6d9dd808c1d24cc7eac29cc07877c9c7e6509a6b550994f
02 L be99ab6356d6d448210e81c235797e10bb324cf2b86a0f83e4f39143cfe062d5
03 R 6c4879884bf651ab001ca0b50b2219b707b7f30c43a1ea41811dbc05e0f8f999
04 R ae4b70220581688308ba70ec09ba8535b655027a54394514f3ce53569573d782
05 L 270d66df2c39219fbb982192e112a59d238f639924a334d207478f4b486f6020
06 R 1e41dc762bcc222911de016e2d46ebc457432db8a8452c3b048396c9c53533e1
root 951bc4ccce9975e76df9090a26bfd6d08e857de516830975758a937cd113ae75