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 - PANGASINAN 3RD DEO Award a ₱8.4M contract to T.J. VELASCO CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

c4807647084a9c409e4eaecfee0ebb1144c152ab5bbee0c612cb2da3e31450c3

Status:

Included and unchanged

Block:

#2,290 3,723 blocks after it

Position in block:

Transaction 92 of 125

Award day:

Jan 6, 2015 (11 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 3RD DEO

To:

T.J. VELASCO CONSTRUCTION & SUPPLY

Value:

₱8,411,455.16

Project:

Construction of Two Units Two Storey Two Classroo

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 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 #2,290 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 - PANGASINAN 3RD DEO awarded it to T.J. VELASCO CONSTRUCTION & SUPPLY on 2015-01-06.
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 c480764708…1450c3now …
2. Block Merkle root changed
stored 6277149aa7…904082now …
3. Block #2290 hash changed
stored c1ab9f1e23…04eabfnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 124 records. Each step hashes the current value together with the sibling shown.

leaf c4807647084a9c409e4eaecfee0ebb1144c152ab5bbee0c612cb2da3e31450c3
01 R c579c279c3055c922eda36826ba1825809056db5a181d17c51feccce19c25edb
02 R f1b1b32348a5d6760540642a7c2da4293317c63136ec551d500f44efa8cc6f93
03 L 705d9fa1f99792d5729e24ccbc3f391a24645ea69ec15846067121f44e2ab9b1
04 L 7dea2d7a42adceb773d84c2fc22bd9a0f1209903da433ce3dbc5c3e2cb7933fd
05 L 789d517c36fa83227aec6e7d27583ceefca496abcd9b3fc5493dd48e93642548
06 R fc08f1981c8d6603ee37d664e20d903b000efe87443f1334aa3979b3e591360f
07 L ca7ad06eec3d6092ad43a7bbdc3e9c52035173071f71a5ba7b51892c1f3b690c
root 6277149aa7a0b84abe6368443c90676d659430bff2de5bb5c971831ef3904082