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

DEPED - RO4B - DIVISION OF OCCIDENTAL MINDORO Award a ₱3.3M contract to STEVEN CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

acded0bc57e1db2bf731879d81285a574e9c0cf48c3eb9aa2404f2496e0f40d6

Status:

Included and unchanged

Block:

#745 5,268 blocks after it

Position in block:

Transaction 21 of 33

Award day:

Dec 1, 2009 (16 yrs 11 mo ago)

From:

DEPED - RO4B - DIVISION OF OCCIDENTAL MINDORO

To:

STEVEN CONSTRUCTION & SUPPLY

Value:

₱3,275,000.00

Project:

Completion of Two (2) Storey Four Classroom Scholl Building

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPED - RO4B - DIVISION OF OCCIDENTAL MINDORO

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 #745 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)
DEPED - RO4B - DIVISION OF OCCIDENTAL MINDORO awarded it to STEVEN CONSTRUCTION & SUPPLY on 2009-12-01.
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 acded0bc57…0f40d6now …
2. Block Merkle root changed
stored 01d13c1670…928f42now …
3. Block #745 hash changed
stored 160661a44b…e30a5cnow …

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

leaf acded0bc57e1db2bf731879d81285a574e9c0cf48c3eb9aa2404f2496e0f40d6
01 L a6ce24f000c58e04add17b0588011c85c60fb1bcf3d4e4f2774adcdd4b67654d
02 R 47562540fc17a52e37e3db9ccd79fa65dae8e0a59a0c480b6e4c34a33704e176
03 L e65d718bde81ee40bff41141dcc08de304f255855b7beae9617b2294e1600278
04 R 85279470b8e8da9593c939097e7fce7b34ea7f2f2d1e6eb6c1ec00c2694dfb4a
05 L 23654e5fc22a16becd2761f335e5ee14b9529d685fca4ae0c77cccadc6b39e57
06 R 8be8229bf4cdaea60a8495a24d7441e6e2609276aac210e36e5f660d7d56ae10
root 01d13c16700decd3dae74581ea162198fb7f0c3af985be0763ad1f891e928f42