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 - BATAAN 2ND DEO Award a ₱2.0M contract to JEPA CONSTRUCTION & SUPPLIESNational agencies

Transaction hash:

bfc9bbca0ed6c53076d07eec2b91fc9f135dfd9b49f6ec31b4e0c22ba1cf2d90

Status:

Included and unchanged

Block:

#1,904 4,109 blocks after it

Position in block:

Transaction 87 of 121

Award day:

Oct 30, 2013 (13 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATAAN 2ND DEO

To:

JEPA CONSTRUCTION & SUPPLIES

Value:

₱1,965,024.93

Project:

13CB0069

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATAAN 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 #1,904 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 - BATAAN 2ND DEO awarded it to JEPA CONSTRUCTION & SUPPLIES on 2013-10-30.
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 bfc9bbca0e…cf2d90now …
2. Block Merkle root changed
stored bd51f84b2a…e42fa0now …
3. Block #1904 hash changed
stored dea3ba0109…8880fanow …

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

leaf bfc9bbca0ed6c53076d07eec2b91fc9f135dfd9b49f6ec31b4e0c22ba1cf2d90
01 L bf81fe4a0b947fe6bf02e096456b25136c685e318320f30e9cda81461b621d5d
02 L 6ebcf3cf6d6074058496218733222d944df5637222ee1b712e628a6c00e734e2
03 L 152d982670b77b9717d514ecf48f5601f3ebe06f37f43be34380c4c864309e4e
04 R f30bd548acb67ac0fe09e46457f21958199acde504558da3cadeac4fb72616cd
05 L ead21cc5afd9a582920fb3f06badab2dcfc94950ffc5c303a82f859d5ec8c5f8
06 R f1afccbc32a6621e68bc5bee075287597c23aaf60ea5e3a7b3040206dc9a527f
07 L f0d097b69368b7b9ea352f237ff0484369a1677fb7ad8cb80f585fe6663f81f9
root bd51f84b2a69f39876bd6bd5f34e9f6faef999aff74b926a823a9201c8e42fa0