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 - LA UNION 2ND DISTR Award a ₱968.3K contract to GERALD BUILDERS AND TRADINGNational agencies

Transaction hash:

3d181ffbd1af9d8d81f155a54511e05026d203c31ebcc1fbc6988f4b2c2642d9

Status:

Included and unchanged

Block:

#1,812 4,201 blocks after it

Position in block:

Transaction 18 of 60

Award day:

Jul 25, 2013 (13 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LA UNION 2ND DISTR

To:

GERALD BUILDERS AND TRADING

Value:

₱968,272.36

Project:

13AF048

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LA UNION 2ND DISTR

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 #1,812 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 - LA UNION 2ND DISTR awarded it to GERALD BUILDERS AND TRADING on 2013-07-25.
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 3d181ffbd1…2642d9now …
2. Block Merkle root changed
stored 8bf9ee7306…88b98cnow …
3. Block #1812 hash changed
stored 76834954ff…8fcfafnow …

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

leaf 3d181ffbd1af9d8d81f155a54511e05026d203c31ebcc1fbc6988f4b2c2642d9
01 R 42be774876bb1e84f1ae622b859971488c74a6ca9bcb4500ce27fdb58103354e
02 L a6871eaef98545203658de11ee5f19a32939400e216932b32c039695414ea2c0
03 R 903a36b50cc55e568d250d94bec603bc4fa4f651908cf9ac278754d2ac403847
04 R 22dce8ee0f93ef414e0b6cf39f12d63fb6fd6cad21193f3e78522c8a209b6d51
05 L 28481342032f2083559c1d289a526664deed44a89f5b0d102a2508cb9b8635d5
06 R dd480756f68c859ba7b919ed3d3bffb611535061ca0e885d55bb2fa8f130ecad
root 8bf9ee73063aecbb5925e44965a6d92469e61d8c3a6325d6e0eb07dd7788b98c