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 - TARLAC DEO Award a ₱33.9M contract to NORTHERN BUILDERSNational agencies

Transaction hash:

ebedc60bcd3e2815cb11f47df9635b0189d4220731f660b845c0861c10353bf7

Status:

Included and unchanged

Block:

#2,024 3,989 blocks after it

Position in block:

Transaction 90 of 102

Award day:

Mar 14, 2014 (12 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TARLAC DEO

To:

NORTHERN BUILDERS

Value:

₱33,883,933.18

Project:

REHAB/RECONSTRUCTION/REPLACEMENT/RETROFITTING OF B

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TARLAC 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 #2,024 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 - TARLAC DEO awarded it to NORTHERN BUILDERS on 2014-03-14.
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 ebedc60bcd…353bf7now …
2. Block Merkle root changed
stored 1a46f03f8d…3aca82now …
3. Block #2024 hash changed
stored e4a7f9bbd4…91ee46now …

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

leaf ebedc60bcd3e2815cb11f47df9635b0189d4220731f660b845c0861c10353bf7
01 R ec89bafa6aa6726a1b4f97d1efd7b9c600239528ed3d39d852e55672c072802e
02 L d78b726f56f821bb444f44242d03d55f3255179147f7ee51afdf211d1c4c2a57
03 R df619caa3f2bff8df32b5d6aea0d8fc2ecbec708edca1654ec30ba1c17676342
04 L 15c11bf94ab1953678c95f3d0ab8a11571bfe332f168161627e52fd14e4a3982
05 L 1a66a5a5ce83059cb3e4e6b9298a68ade15d0e6df63d676129dd82da661017ca
06 R 0ef404c7e090d4cf039f0844bbba872b4f56334fd7fc7dc503cb13697c68ca73
07 L c6f4c964fe1d42333adcae4eafbec6d08557d5ac64bc860db47c3fb29a2b4fde
root 1a46f03f8d79204a7ed456ffd20abf3ee647c282fa474715636aeb89373aca82