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

TARLAC COLLEGE OF AGRICULTURE Award a ₱150.9K contract to MALTA CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

aca9bbc6e82124adcd8d4e8f0bd2dc27f9ea265e3ca94110c285b62633a8aeec

Status:

Included and unchanged

Block:

#2,907 3,106 blocks after it

Position in block:

Transaction 69 of 104

Award day:

Nov 16, 2016 (9 yrs 11 mo ago)

From:

TARLAC COLLEGE OF AGRICULTURE

To:

MALTA CONSTRUCTION AND SUPPLY

Value:

₱150,878.00

Project:

016-032 INFRA

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

TARLAC COLLEGE OF AGRICULTURE

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 #2,907 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)
TARLAC COLLEGE OF AGRICULTURE awarded it to MALTA CONSTRUCTION AND SUPPLY on 2016-11-16.
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 aca9bbc6e8…a8aeecnow …
2. Block Merkle root changed
stored 50b375ba1f…e490d4now …
3. Block #2907 hash changed
stored e21ad1d6e3…71c90fnow …

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

leaf aca9bbc6e82124adcd8d4e8f0bd2dc27f9ea265e3ca94110c285b62633a8aeec
01 L ac8005273128dce6bf89ab1e7918d847b15ccb62f66047c712415bc2ea3e6068
02 R 3fec9b9d88b06e10db8f966325ff469eb3e7d23780141a75fa96d8663e989ea2
03 L 89ff27e5125ed75f14365c1e2ac09e0619b23311eec8464db35e77e07f165c50
04 R c4dc6107ae8919eb461941759f1750a689146f8439dd6cb34ede40736335e9f1
05 R 64d472af287b2c072fb885e4e89a5234dcdf3e9a03f633c60dc8dbef1d7821fb
06 R 1c273fa57237342c94f008a2fa62c5810a19415e47c20564e0a96ee1444e8189
07 L 7410ceac44beba5f8849e0e7e89811b6f057dc1b916d017250ba3609ccae58e1
root 50b375ba1f6871f485057ac4a9d41ff5bb0b7f52f9bc496b70565246fde490d4