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 2ND DEO Award a ₱2.0M contract to 525 CONSTRUCTIONNational agencies

Transaction hash:

ae33badbb26d06d75ecd5d7f322a537da919f02f95d5db4a942b1a344d0c3983

Status:

Included and unchanged

Block:

#1,326 4,687 blocks after it

Position in block:

Transaction 75 of 91

Award day:

Dec 19, 2011 (14 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 2ND DEO

To:

525 CONSTRUCTION

Value:

₱1,959,976.30

Project:

Repair/Maintenance of Slope Protection along Ibayo Creek and Abangan Sur Creek, Marilao, Bulacan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 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 #1,326 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 2ND DEO awarded it to 525 CONSTRUCTION on 2011-12-19.
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 ae33badbb2…0c3983now …
2. Block Merkle root changed
stored bb2cf9f4f7…1f918bnow …
3. Block #1326 hash changed
stored 876fc3f06a…55ff1bnow …

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

leaf ae33badbb26d06d75ecd5d7f322a537da919f02f95d5db4a942b1a344d0c3983
01 L ab30b7b10e0d0e233438f7895f1422aad459cdce0f60b7133ea26688238653bb
02 L 2520abdd894cc78e8ee7ae44a829d76b8e7b93519da8d227defddf73ab346a6e
03 R e71399d90414b09e00e39a216c10b8a5a1b48d67eaa19f2a18a7ed44d3520f56
04 L d1e172b5887143b1f22e66caa7ac094d83cb4e6281cc2aa246e12f93ae8f431a
05 R 3dc5d60fc6918e4cfe8514a13b5ebab5b1c2f20ab3ad970b4a92a37da96a5063
06 R 94502350ab6574a2022c4f70542ecf93fda14412020d730354ab2c3890a95eb2
07 L f5282f9b2f4f19312cdf9f83884f6ec56360aea2e33a8482f9d4713be982cbfd
root bb2cf9f4f7a97474672010db51fb36cacec030d73863cf2093f0e0b2801f918b