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

PROVINCIAL GOVERNMENT OF NORTHERN SAMAR Award a ₱1.2M contract to CDU CONSTRUCTIONNational agencies

Transaction hash:

bcab42de3817e33aeb2ee663ced9e85608fc29e5907e5c816e69a35a6957203d

Status:

Included and unchanged

Block:

#166 5,847 blocks after it

Position in block:

Transaction 3 of 5

Award day:

Sep 5, 2007 (19 yrs 2 mo ago)

From:

PROVINCIAL GOVERNMENT OF NORTHERN SAMAR

To:

CDU CONSTRUCTION

Value:

₱1,211,784.95

Project:

Repair/Improvement of Allen District Hospital, Allen, Northern Samar

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PROVINCIAL GOVERNMENT OF NORTHERN SAMAR

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 #166 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)
PROVINCIAL GOVERNMENT OF NORTHERN SAMAR awarded it to CDU CONSTRUCTION on 2007-09-05.
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 bcab42de38…57203dnow …
2. Block Merkle root changed
stored b0b8470eb5…44d1f0now …
3. Block #166 hash changed
stored 61b64888c2…1ac9danow …

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

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 4 records. Each step hashes the current value together with the sibling shown.

leaf bcab42de3817e33aeb2ee663ced9e85608fc29e5907e5c816e69a35a6957203d
01 L 9d543ec8b395062f11c7430d89bcaa6175dcfbbbaf79234e8737ac79b8f6d063
02 L b71258150e8d0e88012bab63d4827d8c57166716f26006dae9fe4fd1b3a2b4be
03 R 1b15a1ff68e18290ebc6dd9cd4284337c1fa8c13d4450adbe1cfac64c1142ff3
root b0b8470eb5c9328cde5e23511f189a89ee0a721c6cf059fe245cdfbbd044d1f0