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 - BULACAN 1ST DEO Award a ₱5.6M contract to CJA CONSTRUCTION AND SUPPLIES, CO.National agencies

Transaction hash:

0df38f6af7ee0ae14cfd84c5144e52c34ee0327f5cb9d85bf8e9fa5596c1fc8d

Status:

Included and unchanged

Block:

#2,417 3,596 blocks after it

Position in block:

Transaction 8 of 133

Award day:

May 27, 2015 (11 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 1ST DEO

To:

CJA CONSTRUCTION AND SUPPLIES, CO.

Value:

₱5,631,112.37

Project:

const of local roads mun of calumpit & city of mal

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 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 #2,417 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 - BULACAN 1ST DEO awarded it to CJA CONSTRUCTION AND SUPPLIES, CO. on 2015-05-27.
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 0df38f6af7…c1fc8dnow …
2. Block Merkle root changed
stored 6a952dfac2…484693now …
3. Block #2417 hash changed
stored 6a29730de1…8def4anow …

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

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 132 records. Each step hashes the current value together with the sibling shown.

leaf 0df38f6af7ee0ae14cfd84c5144e52c34ee0327f5cb9d85bf8e9fa5596c1fc8d
01 R 0f46a51d1f62b22adea11f204bc6332a5532de7215c27ca9bade313997b1bf62
02 R fd92ac6b92f9c892a2ca1d7c845406f622269caa6b1ccc410600520cd8e1891b
03 R 83341285e4efe41aeb2b6baa7f1c4f4988aeed3840d78fe688c54ae3c7f1c6b1
04 L 71732b9897abe2d61bba0bc103b64709066f150908475701950e589c1eeecbd6
05 R af6df884575ad511dd03e0b24f26cf56aac621f908dea26b87f599c3bd694189
06 R dead7827ec249a750fd07e681e4cc0d51a1f4d70caf46f0d0fbf5a5d2bf18626
07 R 2ac82e6a825553a48032f9bd35e2d8429d72e8109d2e82cbea1a962f991a8832
08 R c13ce8274a4c7292c3ddf16c82f452b1aaa21b9b69ec1211762a2c6678c87db4
root 6a952dfac2efd622591b8f988bb255815af1cfe1e921caa3e385c42db1484693