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 3RD ED Award a ₱553.9K contract to SUPERPOWER CONSTRUCTIONNational agencies

Transaction hash:

190dcbc8c2a51bb30a3daaab9c66051bd61b88cd65531d75e50fc6debc35f6b3

Status:

Included and unchanged

Block:

#411 5,602 blocks after it

Position in block:

Transaction 5 of 33

Award day:

Aug 26, 2008 (18 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED

To:

SUPERPOWER CONSTRUCTION

Value:

₱553,947.10

Project:

Construction of One (1) CL School Building at Barangay San Isidro Elementary School, San Narciso, Quezon, Quezon III

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED

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 #411 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 3RD ED awarded it to SUPERPOWER CONSTRUCTION on 2008-08-26.
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 190dcbc8c2…35f6b3now …
2. Block Merkle root changed
stored 7dd3e8fa80…3eb0c1now …
3. Block #411 hash changed
stored 484c10faac…10b150now …

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

leaf 190dcbc8c2a51bb30a3daaab9c66051bd61b88cd65531d75e50fc6debc35f6b3
01 L 1427003f133207bc92a6f065a62f60304e324d061a06681f4693501bcbb57321
02 R 634e9ce70a59f0dd439a8d0d8eb0476fdec5c5e223b76a6278ea161f6f70abfe
03 L f58c99296378aad62dc213aa4eb924a4f883cb1dd898dbb70dee8c21241395fc
04 R 3435e2ad07f52bbbb45967dec213b7f880398d687671f15d6bb5e633110735b3
05 R 4e3ce5c9a96cd5e09d5e0455446cd7ca6b17fcd540634bb00e3605c3b8bdaeb3
06 R 627afeaaaa2124c792c8ea2f83a594d77f7dac65cbb4e72c90dcc6dbe76828ba
root 7dd3e8fa80e1215d455fa1d1ca888083c40d114dede10d6182e24a15203eb0c1