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 - RO1 - DIVISION OF ILOCOS SUR Award a ₱1.3M contract to M.V. SABALBURO CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

689bd19b2fac8895d3bd95ccb57e10d682c516f5484d0f2fae58afb8177e5b1e

Status:

Included and unchanged

Block:

#678 5,335 blocks after it

Position in block:

Transaction 11 of 40

Award day:

Sep 1, 2009 (17 yrs 2 mo ago)

From:

DEPED - RO1 - DIVISION OF ILOCOS SUR

To:

M.V. SABALBURO CONSTRUCTION AND SUPPLY

Value:

₱1,333,516.77

Project:

Repair of Department of Education-Division of Ilocos Sur, Division Office Building

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPED - RO1 - DIVISION OF ILOCOS SUR

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 #678 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 - RO1 - DIVISION OF ILOCOS SUR awarded it to M.V. SABALBURO CONSTRUCTION AND SUPPLY on 2009-09-01.
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 689bd19b2f…7e5b1enow …
2. Block Merkle root changed
stored 18b94f7b92…4dd51fnow …
3. Block #678 hash changed
stored 2932a091d5…4f8ae2now …

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

leaf 689bd19b2fac8895d3bd95ccb57e10d682c516f5484d0f2fae58afb8177e5b1e
01 L 5715a4dfc58bb943734e2bbe7017e90248012f556b68b29ba14a6251fc61edea
02 L 2a32485294c1976633e9ee97b28934b98105900b479b82bd637c7a92497f643e
03 R b430b59e3668c52c34f9e63f58f586757eca61c660d97c0c84c87979a7878ee1
04 L b85a4491a52299ff9e8d2b1bef13f5f1720aa6695165e14e8859b50a91e3443d
05 R e349da90da115ccceb1fc4278b3014a3988a787bbb05708236e5f971f0b38fcd
06 R 1d45de3fd08dffe3731410063415ccc9324652fb27801bce544adbd0b790735a
root 18b94f7b92d74246dfd7fe361f7eda707556791250bbae8463607bbb4b4dd51f