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 - RIZAL 2ND DEO Award a ₱4.9M contract to BILLFINGER BUILDERS DEVELOPMENT CORPORATIONNational agencies

Transaction hash:

0f8906bbff6b0f05ef94ce32b1336993565c16584e6ecfe9d3e7b52da3e0a4c6

Status:

Included and unchanged

Block:

#1,510 4,503 blocks after it

Position in block:

Transaction 7 of 57

Award day:

Jul 17, 2012 (14 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - RIZAL 2ND DEO

To:

BILLFINGER BUILDERS DEVELOPMENT CORPORATION

Value:

₱4,876,929.06

Project:

12DO0047 to 48

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - RIZAL 2ND 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 #1,510 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 - RIZAL 2ND DEO awarded it to BILLFINGER BUILDERS DEVELOPMENT CORPORATION on 2012-07-17.
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 0f8906bbff…e0a4c6now …
2. Block Merkle root changed
stored 151adac9a6…7fc87dnow …
3. Block #1510 hash changed
stored 9f1876fe75…0c387enow …

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

leaf 0f8906bbff6b0f05ef94ce32b1336993565c16584e6ecfe9d3e7b52da3e0a4c6
01 L 0f849666f3fdd3092e6e2d9c1c70e8e04450fb1641d27d6f8df8aab70c24df1d
02 L 93760e1872ccf18cdd614d4e72e922c47170db122dd25c5a9dced402c3d6123d
03 L 16b0a030b71f06a3d4ba3928e88e2cd61df48fef662be537babaca1e908e01fd
04 R a34d37715b75f30828ca93095210dc18a641382238a87b5d0e6ba98051aba34b
05 R da595b2c076e240a2ad5862c4f99d03c0b887c389b77dd0f31311f5932a5656f
06 R 9ea47a690be8190db93d0d78671e13484d56bfa815d59d402cbbd2969f177718
root 151adac9a6daeb01e13f394af92dc4e2297ff1597c98ba1774febd93257fc87d