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 - CAR Award a ₱28.9M contract to VIKING CONSTRUCTION & SUPPLIESNational agencies

Transaction hash:

1dff9e53ef2f71b77fa35c29268ee852168a2c0b9bcc0ab0d590a06df082e22c

Status:

Included and unchanged

Block:

#4,252 1,761 blocks after it

Position in block:

Transaction 10 of 102

Award day:

Oct 16, 2020 (6 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR

To:

VIKING CONSTRUCTION & SUPPLIES

Value:

₱28,901,738.79

Project:

20P00039 Construction of Bridge across Tumbal Rive

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR

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 #4,252 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)
DPWH lists the funding source as "Regular Infra - GAA 2020 LP", i.e. the FY2020 GAA. The exact UACS line is not given.
Partly
Open
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 - CAR awarded it to VIKING CONSTRUCTION & SUPPLIES on 2020-10-16.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20P00039: On-Going, 100% physical progress.
Found
Open
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

2 of 8 documents found, 1 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 1dff9e53ef…82e22cnow …
2. Block Merkle root changed
stored 093b9be560…1bbda7now …
3. Block #4252 hash changed
stored 84aa11626a…f93f28now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 101 records. Each step hashes the current value together with the sibling shown.

leaf 1dff9e53ef2f71b77fa35c29268ee852168a2c0b9bcc0ab0d590a06df082e22c
01 R 22fdbfaab4affda070cde35bed032e9ae6acc50f93aea253c8312b7d10aec1aa
02 L ce957ba6a11e0abe0ca014e00f77f1a4cc4ebeb1df68a900a6913ebf563d6305
03 R 6eb2da2cdb3d60b06131d69ce240de1061457e83073e310651bea8dabea6b07a
04 L 6b5d38a1cb03d06a179c404d2cf02f9cfc6505b0809e25ef222e25c71447ac5b
05 R eb8d3cf535c987a3177fdc37b2a8a0fedd8befb092e40568c1305e092af69630
06 R e09900de2dd0ad426e208e754fbb9afff8a7ba469099d262123793a91d4523ab
07 R 328419eed869d05bc5bf78421cd76af705a01531bc56693da20a6f6a7edffda1
root 093b9be5600d19b18543303358f528a5c16ca30d3f830ca81e8014855a1bbda7