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

NATIONAL TRANSMISSION CORPORATION-MINDANAO OPERATIONS & MAIN Award a ₱1.9M contract to JTA BUILDERSNational agencies

Transaction hash:

7af49f7ae72effb7ce433f8d11609f69cd3ad3d8f9606071a062ac52390a0084

Status:

Included and unchanged

Block:

#467 5,546 blocks after it

Position in block:

Transaction 1 of 7

Award day:

Nov 10, 2008 (18 yrs ago)

From:

NATIONAL TRANSMISSION CORPORATION-MINDANAO OPERATIONS & MAIN

To:

JTA BUILDERS

Value:

₱1,868,462.10

Project:

CONSTRUCTION OF ACCESS ROAD TO THE RABOCA PROPERTY AT BUGO, CAGAYAN DE ORO CITY (200 meters concrete road)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

NATIONAL TRANSMISSION CORPORATION-MINDANAO OPERATIONS & MAIN

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 #467 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)
NATIONAL TRANSMISSION CORPORATION-MINDANAO OPERATIONS & MAIN awarded it to JTA BUILDERS on 2008-11-10.
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 7af49f7ae7…0a0084now …
2. Block Merkle root changed
stored 1b20fffbda…739bf0now …
3. Block #467 hash changed
stored aaf2f860a9…1e08ednow …

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

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 6 records. Each step hashes the current value together with the sibling shown.

leaf 7af49f7ae72effb7ce433f8d11609f69cd3ad3d8f9606071a062ac52390a0084
01 L 16f2b69e6ff5d9e8745a0fbaae3f3171382227815cc732fb2b6f07d623eab824
02 R 2ffc32d31a4590d8d8ed265f003032403cffa0667555b71f9c85b9cf08abfdf5
03 R 0523afc646eb67fb327e75d77f28bd5dcec14cccca306e5ddf13ce397a8e6f63
root 1b20fffbdadcdff645dca813de908b789f9cf0364ddbb1f8576cdb3f0e739bf0