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 AND HIGHWAYS - MM 1ST ED Award a ₱13.2M contract to RICHPIL BUILDERS, INC.National agencies

Transaction hash:

aa9b686f8b4eb3310654ceeeb1cbcacd2dd85eb7c64f44d052338900a4d9eec1

Status:

Included and unchanged

Block:

#1,380 4,633 blocks after it

Position in block:

Transaction 33 of 49

Award day:

Feb 16, 2012 (14 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MM 1ST ED

To:

RICHPIL BUILDERS, INC.

Value:

₱13,211,187.44

Project:

Rehabilitation of Drainage System

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MM 1ST ED

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 #1,380 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 AND HIGHWAYS - MM 1ST ED awarded it to RICHPIL BUILDERS, INC. on 2012-02-16.
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 aa9b686f8b…d9eec1now …
2. Block Merkle root changed
stored d0c0fe6a2d…569a1dnow …
3. Block #1380 hash changed
stored 718ada8a3e…eaf2a6now …

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

leaf aa9b686f8b4eb3310654ceeeb1cbcacd2dd85eb7c64f44d052338900a4d9eec1
01 L aa4cbeac97b7d87c0cb60978f6932214174a56b66af1060a449c185e5031d46e
02 R 892902a685ac028c660008e0382245c60dfe95ee2fe5c26fa3a4d670faa94393
03 R 62056225b8a68dc876b9dd09231dffc7474d8803f59a3c94cccd59ace5515777
04 R 2d1a5c592eaf345876ac0123a6d8ac1cdd30c921f46231ae5e6bc5fc7b8bca1d
05 R 3ff34eb716fe1b5e703a273f70cd2e1f8070bb8571f71de3837c58a228441797
06 L 295b9f512b8d93a0bbc8e3225d9e7bc3b34557cec4a8f0917221e963cc428f3c
root d0c0fe6a2d73fcac3fe3fb163605f1147242d9b6162917e4b456d8e0ff569a1d