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 PUBLIC WORKS & HIGHWAYS - DAVAO DEL SUR 2ND SU Award a ₱1.1M contract to O.G. SANTOS CONSTRUCTIONNational agencies

Transaction hash:

cb85dfd01369b615ef702e4af717427ce7e17a71449d3d94fbe869d479055a4f

Status:

Included and unchanged

Block:

#970 5,043 blocks after it

Position in block:

Transaction 22 of 25

Award day:

Sep 30, 2010 (16 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - DAVAO DEL SUR 2ND SU

To:

O.G. SANTOS CONSTRUCTION

Value:

₱1,093,797.33

Project:

Const. of 2-CL (7x7) Academic Bldg. at Kilalag E/S, Malita, Davao del Sur

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - DAVAO DEL SUR 2ND SU

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 #970 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 PUBLIC WORKS & HIGHWAYS - DAVAO DEL SUR 2ND SU awarded it to O.G. SANTOS CONSTRUCTION on 2010-09-30.
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 cb85dfd013…055a4fnow …
2. Block Merkle root changed
stored dae230fcf6…d95fd7now …
3. Block #970 hash changed
stored a057ee31a9…cec4ednow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 24 records. Each step hashes the current value together with the sibling shown.

leaf cb85dfd01369b615ef702e4af717427ce7e17a71449d3d94fbe869d479055a4f
01 R d349e707b279a08683cf6cbfbf79aedd7b25e9b8f539ca671d02a80605b63f12
02 L c2a28530cd7f5128e8c4b184ce09c2c84eeddd68d2307730c547198aba7e7dd7
03 L a7d5cbd095165e2765be0941c26dd02cd00596f50d4170d197c5c6d886ca0e87
04 R 7c2387ea0c6bfda97f88dd1ea71c115773a6cc51cc0fb636c7c2be9d345764dc
05 L 71f8e5bd8740726b2da71290b5f1c8d4adc4b1d46e52edbd47e134cc07f6460c
root dae230fcf6cbc1d0e10d6ea9c1a4c55558a270547cdd01dd763b027e1ad95fd7