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 - ILOCOS SUR 2ND DEO Award a ₱885.2K contract to M.V. SABALBURO CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

1a16a98fa3ebf0a6eee4c001aa6223279fc48a99d9cbbd762c353e989e922a44

Status:

Included and unchanged

Block:

#1,238 4,775 blocks after it

Position in block:

Transaction 5 of 41

Award day:

Sep 8, 2011 (15 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 2ND DEO

To:

M.V. SABALBURO CONSTRUCTION AND SUPPLY

Value:

₱885,180.58

Project:

Contract ID No. 11AD0074

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 2ND DEO

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 #1,238 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 - ILOCOS SUR 2ND DEO awarded it to M.V. SABALBURO CONSTRUCTION AND SUPPLY on 2011-09-08.
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 1a16a98fa3…922a44now …
2. Block Merkle root changed
stored 7b475ae6ac…25be1anow …
3. Block #1238 hash changed
stored 1b32854ec7…a43bb5now …

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

leaf 1a16a98fa3ebf0a6eee4c001aa6223279fc48a99d9cbbd762c353e989e922a44
01 L 1945b9665c6f6b693b8bcb34faf02a610bb5ba1af85fd873fc129998dc97532d
02 R 420e87d40403f7044ce89c4b3f98938d5c772f5afb3824035e32751163ed06d1
03 L 8ea330dc0bbbe13e0d153dfbdaceeb438ab3d8f94b11293e1c5359037b1297a2
04 R dbaa378b0e120e06c6b1de477558ae99bb85a6bd25bd8dc06c3253f4ee59fe1d
05 R 8d3ab50a751ff76f01deb2cf74d3e976972c68e29e088eeb7ad04582cb29815d
06 R 442ae8e544bb10eb9b19bb62037e07aa4ecbbb1807f7fa74c7d2a2008671281a
root 7b475ae6ac8fcde387dc5992d5c515c0c03d426b662251bb143168d40e25be1a