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

NATIONAL STATISTICS OFFICE Award a ₱85.1M contract to J.D. LEGASPI CONSTRUCTIONNational agencies

Transaction hash:

ebfd9354cd6b9fffc7eda7987826961933add151e36aa2412554ce1ea4998735

Status:

Included and unchanged

Block:

#743 5,270 blocks after it

Position in block:

Transaction 12 of 15

Award day:

Nov 27, 2009 (16 yrs 11 mo ago)

From:

NATIONAL STATISTICS OFFICE

To:

J.D. LEGASPI CONSTRUCTION

Value:

₱85,068,390.00

Project:

IAEB - Design and Build of NSO-CVEA Service Facility

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

NATIONAL STATISTICS OFFICE

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 #743 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)
NATIONAL STATISTICS OFFICE awarded it to J.D. LEGASPI CONSTRUCTION on 2009-11-27.
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 ebfd9354cd…998735now …
2. Block Merkle root changed
stored 5d9eaca100…e8fcebnow …
3. Block #743 hash changed
stored 950ccbe099…80016fnow …

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

Merkle proof (4 steps)

How this one record is tied to the block's Merkle root, without needing the other 14 records. Each step hashes the current value together with the sibling shown.

leaf ebfd9354cd6b9fffc7eda7987826961933add151e36aa2412554ce1ea4998735
01 R f3703bb6e8b7f3a86447d7959c750ec5ae17402b1ec2ff14b162d484324d2308
02 R 671183b3c6e9a825f5b74a428d79a33ce94640d9da5873baf0f1b91a9cf3e07c
03 L 776eaa3af4b1c2aa509976cb95343021b4d843b9eded59994c97743a8517bd9a
04 L ef53e984040a5324053b9e7730b86edeabf003c62454c530541f10004092b923
root 5d9eaca1006e68f1a9b40654f8cd21794eaed5cd4c9f7e6c3cd90cce12e8fceb