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 - BACOLOD CITY DEO Award a ₱1.5M contract to G.F. ROVERO MERCHANDISINGNational agencies

Transaction hash:

7f57463293c99cddd2d15ef4a1a578d7c245878a18bc527ed726738f09a7ac6e

Status:

Included and unchanged

Block:

#719 5,294 blocks after it

Position in block:

Transaction 8 of 23

Award day:

Oct 27, 2009 (17 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BACOLOD CITY DEO

To:

G.F. ROVERO MERCHANDISING

Value:

₱1,472,642.46

Project:

09GC0076 - Rehab/Reconst/Upgrading of Damaged Paved National Roads along Bacolod Circumferential Road, Km 11+552(South) to Km 4+567 (North), Bacolod City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BACOLOD 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 #719 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 - BACOLOD CITY DEO awarded it to G.F. ROVERO MERCHANDISING on 2009-10-27.
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 7f57463293…a7ac6enow …
2. Block Merkle root changed
stored 562b01de79…202c85now …
3. Block #719 hash changed
stored 9d92ba5c95…4eb9dbnow …

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 7f57463293c99cddd2d15ef4a1a578d7c245878a18bc527ed726738f09a7ac6e
01 R 805bce7f41f906be14116ef85bef72ad2ac6a865c3ef40df73fb658318ab37c2
02 R a62ce53ad47b485a7b61315419ed787bdd115d9c48265ab6e95546cb8572627a
03 R aff20bacad8bf21eec62683e91653b21e11b4511cb23a0227490c5b4fe0b7fbd
04 L 301aa2ab86a79256fc2b16545defa0ef42ef9566e7bfebd11c4fb5d3b1d2c6b4
05 R eedfa9a385ba32c955d291b0c28ed696a3b91e2255a77da2f89ca775834b2b8c
root 562b01de7971d2c9cd73d8a93b389a1da983720ee52722aa5ee2a62218202c85