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 ₱16.5M contract to VICENTE T. LAO CONSTRUCTIONNational agencies

Transaction hash:

996a7d51f4989ca16cd38abd76ebcb43fce24177fbccfbf2dfefc8946bc36906

Status:

Included and unchanged

Block:

#3,220 2,793 blocks after it

Position in block:

Transaction 38 of 62

Award day:

Oct 16, 2017 (9 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BACOLOD CITY DEO

To:

VICENTE T. LAO CONSTRUCTION

Value:

₱16,488,728.05

Project:

17RA0088

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 #3,220 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 VICENTE T. LAO CONSTRUCTION on 2017-10-16.
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 996a7d51f4…c36906now …
2. Block Merkle root changed
stored 7b13af9e2b…a2404cnow …
3. Block #3220 hash changed
stored 8c9781d9ef…46e229now …

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

leaf 996a7d51f4989ca16cd38abd76ebcb43fce24177fbccfbf2dfefc8946bc36906
01 R a0dd3af8e52dd792795b3bf681b2f94b40334763d3722731a0d3366300764667
02 L 6009287b0c7027948c27e60eca61a2dd21505567b6c30a4e402954cbf873aeff
03 L 6d3861a305ca77ef00a293d9bf0396ad8ad54d8db11d1919490ca0d88353e8ac
04 R 1dd37b4ee14f20d9f3e993eaa40847dbea6478a97ae95f5f9a5cce3debff05b9
05 R 9654d94bdb892a0a3b33357f7fe1bb669edcde8e37e085bda6af6635c5526c0d
06 L afdd1889012a27bf1375afc81641c37b5918bfd778eecef5d20dd002e2998e05
root 7b13af9e2b8404f4c3e98dbeca0f098c30dfecd8c345075567c470a62ba2404c