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 - ZSEDO Award a ₱1.2M contract to LONG ISLAND BUILDERS & CONSTRUCTIONNational agencies

Transaction hash:

18dbbf659d08ea4942aed230a5bd8ea24e789b7a1f0b40522203a8f8874980e5

Status:

Included and unchanged

Block:

#2,127 3,886 blocks after it

Position in block:

Transaction 14 of 128

Award day:

Jul 14, 2014 (12 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZSEDO

To:

LONG ISLAND BUILDERS & CONSTRUCTION

Value:

₱1,229,327.16

Project:

Construction Project

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZSEDO

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 #2,127 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 - ZSEDO awarded it to LONG ISLAND BUILDERS & CONSTRUCTION on 2014-07-14.
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 18dbbf659d…4980e5now …
2. Block Merkle root changed
stored 7bcd6c2359…7d286fnow …
3. Block #2127 hash changed
stored 57782d99a8…8a7989now …

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

leaf 18dbbf659d08ea4942aed230a5bd8ea24e789b7a1f0b40522203a8f8874980e5
01 R 1d21c43c1786964a0b6414ec41bfd8a130ac65908ffbc555c30c739956b469fa
02 L 3fa1a22dd0c9a79af70693c28934565fc270284016f05d312d29313c97ad12d5
03 L ee2c56c55a0056232333eac27881cdd7d26477da260b054cd53cfba7a4fccd08
04 L 341ee99823b5a95962a4ecc21411b39474ef34c4016ff810fb750664ac83fc30
05 R 7d6fe16bd7694a954482de99a28328db2b3ae7d680ea613326ef3126e7f9396b
06 R dfef0cdeaf1c7ef984aa15e15557fc10fb75c0224819602b0fad58fa142ab7e4
07 R 7cf34ebd6dcd93a6b90762184e78ab0b3b68ab81228e1a05b80352d2d1b9a71b
root 7bcd6c235936c058a61afc0fc01fca29fb804f19522fc9e51c5648a03d7d286f