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 - LANAO DEL NORTE 2N Award a ₱6.1M contract to TESAR BUILDERSNational agencies

Transaction hash:

948ff61a4bef2b7b3e2f2dea97ed0e0e4990f31434444e830437d3ebbee757ff

Status:

Included and unchanged

Block:

#2,529 3,484 blocks after it

Position in block:

Transaction 43 of 70

Award day:

Sep 25, 2015 (11 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LANAO DEL NORTE 2N

To:

TESAR BUILDERS

Value:

₱6,130,378.01

Project:

15KF0088

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LANAO DEL NORTE 2N

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 #2,529 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 - LANAO DEL NORTE 2N awarded it to TESAR BUILDERS on 2015-09-25.
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 948ff61a4b…e757ffnow …
2. Block Merkle root changed
stored bc41849a30…2f4e8dnow …
3. Block #2529 hash changed
stored 13e0e679ea…4e8b39now …

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

leaf 948ff61a4bef2b7b3e2f2dea97ed0e0e4990f31434444e830437d3ebbee757ff
01 L 8892f9b49e431d90c1a88e1f37d3e9aacbaf24c896ff9cb00328ce7859ea827c
02 L 837009ec6206c422a0487740d203d201493916765f8ee8fa67d1e74fd827355b
03 R 1bbfd3e48718e3ca5b6c925f5f55240ff90de145e5987b642e0d5f7ae5a951ac
04 L de04781c6f75b9304759e2faf9cabd4edef20130a82ed0206e7c4e00dd98ac54
05 R 19f988b7ef71397a7d28f967ae087da08b2219b9a4b10bd3dc91c57579d0807b
06 L e7ef8e09e6a2f2826de02ec99c583924a453c75678d24425020c419f9611ecfe
07 R fa8d30c96295ff04e76b0dba37d7bf00e02d3fea8a145fd2ada0722d782508f0
root bc41849a30c19e6a0b7a458eeda5e79bfa646029ef5b5bcc489e1c2def2f4e8d