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 - ILOILO CITY DEO Award a ₱1.2M contract to V.N. GRANDE BUILDERS &AMP; SUPPLYNational agencies

Transaction hash:

c8de3bf49045c5fcb52cdc7c563b4acbfbab2b9b18c36d879ae7f0f87fa90096

Status:

Included and unchanged

Block:

#4,088 1,925 blocks after it

Position in block:

Transaction 41 of 51

Award day:

Apr 24, 2020 (6 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOILO CITY DEO

To:

V.N. GRANDE BUILDERS &AMP; SUPPLY

Value:

₱1,167,744.26

Project:

Construction of BHS

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOILO CITY 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 #4,088 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 - ILOILO CITY DEO awarded it to V.N. GRANDE BUILDERS &AMP; SUPPLY on 2020-04-24.
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 c8de3bf490…a90096now …
2. Block Merkle root changed
stored 9764a767ce…c378b3now …
3. Block #4088 hash changed
stored 0c261f3d03…cd2262now …

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

leaf c8de3bf49045c5fcb52cdc7c563b4acbfbab2b9b18c36d879ae7f0f87fa90096
01 L c8284c45d8e5d245edd910f615be883600e4269f9d83dc9be6b6fabb965f8400
02 R efe2dd734f9c80d845d1dc7807ae2c6523f04f9b5409e0c75f2f0032a42ec09b
03 R d93fc504f3b74dee258f63206e8be99d8d73cf982d5bf823d6648552e81dd003
04 L 9577c6c382c82e1c776de60233c10e855627f02dad96d05af24bca8642053f89
05 R c28d1939ec69d87cd56d45a8a1eb3fd05ba9300b199ff2cf1d4eb9f096b65d47
06 L 4e281d8bddbd3987e472a22798e975efb966d3a22c7dc9e50fa673ccfd1299ff
root 9764a767ce14ff71c37f5457e921d4f9670cdd7d54f5fa4539516949f1c378b3