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 - NUEVA VIZCAYA 1ST Award a ₱13.9M contract to MM CONSTRUCTION CORPORATIONNational agencies

Transaction hash:

fb434d28dfce098fe392f472df03cb19ebb01f887c2ad103789a2d400030c2dd

Status:

Included and unchanged

Block:

#1,999 4,014 blocks after it

Position in block:

Transaction 54 of 55

Award day:

Feb 13, 2014 (12 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NUEVA VIZCAYA 1ST

To:

MM CONSTRUCTION CORPORATION

Value:

₱13,866,676.74

Project:

Construction/Rehab. of PCCP shoulder & Drainage C

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NUEVA VIZCAYA 1ST

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 #1,999 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 - NUEVA VIZCAYA 1ST awarded it to MM CONSTRUCTION CORPORATION on 2014-02-13.
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 fb434d28df…30c2ddnow …
2. Block Merkle root changed
stored a26b97761b…9f249cnow …
3. Block #1999 hash changed
stored 3c5797d048…6d65b8now …

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

leaf fb434d28dfce098fe392f472df03cb19ebb01f887c2ad103789a2d400030c2dd
01 R fb434d28dfce098fe392f472df03cb19ebb01f887c2ad103789a2d400030c2dd
02 L 16fd653c42f2a9b02f1c1992815aef92d1936ad888d3a57cd096a4874343aff7
03 L 2e6c394ffdfb5bd5faa63370daa3efe3f458bf0248bffe760979dcaf0499ca34
04 R 6d00126fb894ea7cf0ca2eef74c4c8266f9984f3372371c20a40ccb03d630c59
05 L faa77fa48c4fe8124c18b368ce7ccd65f3ff0015e079b84d79359b26adac0110
06 L 2c585da66ab6d4fc4d04b0bcaabe7717b22641f19689a0919212c11b3ba82789
root a26b97761bb1107a8080930764836a4191a3e63ac05ef1e371c666c3f49f249c