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 ₱326.5K contract to CDU CONSTRUCTIONNational agencies

Transaction hash:

a3435154e72a4d3e95c1caa430adb303fc90f5f9ab90807cfce0bc73bfe5f32d

Status:

Included and unchanged

Block:

#500 5,513 blocks after it

Position in block:

Transaction 13 of 23

Award day:

Dec 24, 2008 (17 yrs 10 mo ago)

From:

PROVINCIAL GOVERNMENT OF NORTHERN SAMAR

To:

CDU CONSTRUCTION

Value:

₱326,500.00

Project:

UPGRADING OF NSPH (PHASE III)

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 #500 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 2008-12-24.
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 a3435154e7…e5f32dnow …
2. Block Merkle root changed
stored 6e1f95d2ac…29303dnow …
3. Block #500 hash changed
stored 82bbfb3a3b…ff7459now …

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

leaf a3435154e72a4d3e95c1caa430adb303fc90f5f9ab90807cfce0bc73bfe5f32d
01 L 7c22c3f44ff50a944c7fba8cec869edfe77600c5799e710b3831dfc7df19cbc1
02 R 5122e44623524bb189807c1aa78a1011011cd13aa6061e9d79e510142f6883cd
03 L e163959b06e0096956d135f7983f5995ebd9317d731ff66d79ba586d9d126d0c
04 L 5d714880e6295e4ed03cdf078ec25f4428b6513c86781ac40ec32616b8c79b1f
05 R 5ea60794634eb2839d65af7716c8874c0100b85e21e0860cc19e8e005a5aeea0
root 6e1f95d2aca897a0a45db22fd89f3db83e250cbae2dc4e79eb2c3313a529303d