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 - QUEZON 2ND DEO Award a ₱638.5K contract to BOMEL CONSTRUCTIONNational agencies

Transaction hash:

d37e2dbadaacd4ca868f3908f2bf3ebc8845f269df5afb87f513e7f6f0a04bf2

Status:

Included and unchanged

Block:

#1,264 4,749 blocks after it

Position in block:

Transaction 56 of 70

Award day:

Oct 10, 2011 (15 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND DEO

To:

BOMEL CONSTRUCTION

Value:

₱638,510.76

Project:

Construction of One (1) Classroom Academic School Building at San Isidro Elementary School, Candelaria,Quezon

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 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 #1,264 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 - QUEZON 2ND DEO awarded it to BOMEL CONSTRUCTION on 2011-10-10.
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 d37e2dbada…a04bf2now …
2. Block Merkle root changed
stored 51cf111f33…47d10bnow …
3. Block #1264 hash changed
stored 7068550dfc…e1e014now …

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 d37e2dbadaacd4ca868f3908f2bf3ebc8845f269df5afb87f513e7f6f0a04bf2
01 R dae21975387e0dc30d603727b47411eca4c0520a98b2136729e60585a787f109
02 R 67197edee3bcc28429dfafaad670740f4289cdb4a632c0dae687812fcf684af3
03 R 6d3208c348303d519ab374a273939b6d6d530a30a81f88db51a802aa1cc2c448
04 L 14e2709c645b9d6e8efd2a38b00f8620590f520de79f4aa4f0c2552708627f77
05 L 3ffbad54ad3a30b5d0e17be01c8d17e525dae995085da5ff8b42ce76a02d1909
06 L 7cd374cd0a9c1b0b060d370148599f6f3c33cb75530dc0cce22a415449107749
07 R ca2ae76aad8bdfc3e7d26eb5399c65814313fca39b4236291e7e788f99e2c0cd
root 51cf111f33eba2d0d95366f0d9741e2ad0b0a0b45eea27d821ea7522a947d10b