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 - PAMPANGA 1ST DEO Award a ₱1.9M contract to NULAS BUILDERSNational agencies

Transaction hash:

23018cd0b58122e8fdea7bcd5acc9215f13e2bf334d2c6468a69c628c683daf8

Status:

Included and unchanged

Block:

#4,252 1,761 blocks after it

Position in block:

Transaction 12 of 102

Award day:

Oct 16, 2020 (6 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PAMPANGA 1ST DEO

To:

NULAS BUILDERS

Value:

₱1,877,149.00

Project:

20CG0166 - Local Infrastructure Program Multipurp

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PAMPANGA 1ST 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 #4,252 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 - PAMPANGA 1ST DEO awarded it to NULAS BUILDERS on 2020-10-16.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20CG0166: Completed, 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)
DPWH marks the contract "Completed" (end 2021-01-25). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 23018cd0b5…83daf8now …
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 23018cd0b58122e8fdea7bcd5acc9215f13e2bf334d2c6468a69c628c683daf8
01 R 30ea822a6c962efd5c6d84f8ab1f17e669e3e7a7de1e722722e6016e636960cf
02 R 735bde8f15f3be8dea7c71007750830215945589c6bd561e63eb2a666376fddf
03 L 575924d554a8590d363a07da746dea97132d8271a604613c0c098742f13ef835
04 L 6b5d38a1cb03d06a179c404d2cf02f9cfc6505b0809e25ef222e25c71447ac5b
05 R eb8d3cf535c987a3177fdc37b2a8a0fedd8befb092e40568c1305e092af69630
06 R e09900de2dd0ad426e208e754fbb9afff8a7ba469099d262123793a91d4523ab
07 R 328419eed869d05bc5bf78421cd76af705a01531bc56693da20a6f6a7edffda1
root 093b9be5600d19b18543303358f528a5c16ca30d3f830ca81e8014855a1bbda7