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

DEPARTMENT OF SOCIAL WELFARE AND DEVELOPMENT - REGION I Award a ₱2.0M contract to H. G. LOPEZ CONSTRUCTIONNational agencies

Transaction hash:

bdd7c0fb4041a7abe8440dbd464171ed02fc1c51437aacb988bd4fd89f6c87b8

Status:

Included and unchanged

Block:

#1,342 4,671 blocks after it

Position in block:

Transaction 39 of 52

Award day:

Jan 5, 2012 (14 yrs 10 mo ago)

From:

DEPARTMENT OF SOCIAL WELFARE AND DEVELOPMENT - REGION I

To:

H. G. LOPEZ CONSTRUCTION

Value:

₱2,016,337.14

Project:

ITB Construction Project

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF SOCIAL WELFARE AND DEVELOPMENT - REGION I

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 #1,342 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)
DEPARTMENT OF SOCIAL WELFARE AND DEVELOPMENT - REGION I awarded it to H. G. LOPEZ CONSTRUCTION on 2012-01-05.
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 bdd7c0fb40…6c87b8now …
2. Block Merkle root changed
stored a0bf4aa22b…84d42bnow …
3. Block #1342 hash changed
stored 71a4289b80…972c82now …

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

leaf bdd7c0fb4041a7abe8440dbd464171ed02fc1c51437aacb988bd4fd89f6c87b8
01 L bbf98d76a8f7dc97e5567fc15e0d3dc451fda7ec33d3a28b1c875d90ca78467b
02 L 1e992cac8e1a53c3287699d38fe9d11d78b06e502d9fa4cfca8bd7251d37eb36
03 L 0c29e050ddc46ad36123751a0ca4bd11c386b306a1c9f64a4bfe215d0693d99d
04 R 60be2bc59e2462cbad55e857e7443a4cfe5a00c1af9795c14384b2f786a89d14
05 R 89e3b3297e15efe89ee0ad3941ac47bdd83c35ab2bce64245f2a55b3c2e178c2
06 L d9d7ff1a2ed1bc9a855eed14e14ad70ad40897a90c871bac1b1b0aa54e08232d
root a0bf4aa22b058e79067d9cbbe57921496e71805c52719c0a327e735d6f84d42b