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 IRRIGATION ADMINISTRATION - REGION 12 Award a ₱12.7M contract to VICENTE T. LAO CONSTRUCTIONNational agencies

Transaction hash:

ebbfacb3eae434ff8ca32646077af616a6ca98c475a3b3b29442e2aa10e7047a

Status:

Included and unchanged

Block:

#1,308 4,705 blocks after it

Position in block:

Transaction 31 of 34

Award day:

Nov 29, 2011 (14 yrs 11 mo ago)

From:

NATIONAL IRRIGATION ADMINISTRATION - REGION 12

To:

VICENTE T. LAO CONSTRUCTION

Value:

₱12,697,898.18

Project:

PACKAGE 8

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

NATIONAL IRRIGATION ADMINISTRATION - REGION 12

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 #1,308 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 IRRIGATION ADMINISTRATION - REGION 12 awarded it to VICENTE T. LAO CONSTRUCTION on 2011-11-29.
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 ebbfacb3ea…e7047anow …
2. Block Merkle root changed
stored a7e2bfd496…17ad51now …
3. Block #1308 hash changed
stored ecfd60e280…863b2fnow …

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

leaf ebbfacb3eae434ff8ca32646077af616a6ca98c475a3b3b29442e2aa10e7047a
01 L e9758977d171641a7cfdee85ee899df8db1285bb9b8876aae02aa1f1aee59d0d
02 L d95d724fe40a8b6851ec6fbbfaa3e6473140bf11e103386aed7cc8ff52e0bd7f
03 L 87560f6ca9a59314444508a8b2d5ef595cf219751257e24e80d0cce83ac91fba
04 L a64ebe79b9bbdef4b706967763051e64781b535e27b6e0b2e7423cf38e7f6017
05 L 98af630f354ba2193ac8c575177d817eff5652de15a4d72ea27a39244bc6f47f
06 R 24c8f19774e529480bb007a89ff94bf3b0c54f5e0dc31e27fde7ecd804cd1a1f
root a7e2bfd496733364d8b0ba55e67e14b6c2394b7f1153bcb2b4144c2a5b17ad51