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 - NORTH COTABATO 2ND Award a ₱495.4K contract to RDEN CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

47f4e920c5caa2f5c4caa6c0ae297e4ab0888e3cd7f51e7e408eb60f9608467d

Status:

Included and unchanged

Block:

#1,613 4,400 blocks after it

Position in block:

Transaction 25 of 92

Award day:

Nov 16, 2012 (13 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTH COTABATO 2ND

To:

RDEN CONSTRUCTION & SUPPLY

Value:

₱495,426.90

Project:

12-MD-0084-Construction/Repair/Rehab./Improvement of Public Market Bansilan, North Cotabato (5m x10m with ramp, slaughter bldg.)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTH COTABATO 2ND

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 #1,613 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 - NORTH COTABATO 2ND awarded it to RDEN CONSTRUCTION & SUPPLY on 2012-11-16.
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 47f4e920c5…08467dnow …
2. Block Merkle root changed
stored d8b554c387…9d17a6now …
3. Block #1613 hash changed
stored 00e3d0a3ed…c2bddbnow …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 91 records. Each step hashes the current value together with the sibling shown.

leaf 47f4e920c5caa2f5c4caa6c0ae297e4ab0888e3cd7f51e7e408eb60f9608467d
01 L 462d1899357445fa99c4e5b8eea97dcc34780bc76780056d5bfec937b5b1de26
02 R c51f86619785d710ac2dc7fe40b37ba1b5bbdfd52f8290391a46faec6ff59002
03 R 2fa702c7e964d706dd4c041975fd11cc8347596b0fba5488de9bb291bf99ef60
04 L e9bbbba5e3166a1dbd78245e2797ede4d3b9ee16877e33006c2bf3d8078d4178
05 L 57a1f7ccd398c3fd9f99a4bc69337443b219ff1b2567849e8bb4ebf9c839ffa3
06 R 77d232b57f129e8a3d83532411eb132fc8d7293918bdc1d7794c696a477e5136
07 R 33cec05dc81f99bdb23c4ab8e67d45fae91423b50996526131eb5f2afad8c38f
root d8b554c387adec68c619d5ffeceb30c26efedbfd215cbf02b561fe8ca99d17a6