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 & HIGHWAYS - QUEZON CITY 1ST DEO Award a ₱483.2K contract to PRODEL CONSTRUCTION & DEVELOPMENT CORP.National agencies

Transaction hash:

bbd842b77ec392da7faa56b2eeb94df0172c593cf33d7b886ce959eda8bfd1ef

Status:

Included and unchanged

Block:

#1,153 4,860 blocks after it

Position in block:

Transaction 49 of 65

Award day:

May 27, 2011 (15 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - QUEZON CITY 1ST DEO

To:

PRODEL CONSTRUCTION & DEVELOPMENT CORP.

Value:

₱483,206.27

Project:

Repair/Rehab. of MPB Sapphire St., Fernville Homes, Tandang Sora, Q.C.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - QUEZON CITY 1ST 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 #1,153 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 & HIGHWAYS - QUEZON CITY 1ST DEO awarded it to PRODEL CONSTRUCTION & DEVELOPMENT CORP. on 2011-05-27.
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 bbd842b77e…bfd1efnow …
2. Block Merkle root changed
stored 87cf8f2dd4…5a6098now …
3. Block #1153 hash changed
stored 0a3050827c…73a0c4now …

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

leaf bbd842b77ec392da7faa56b2eeb94df0172c593cf33d7b886ce959eda8bfd1ef
01 L bbd6e3ac63d5483d4c76b250ed1b0dbbec06e9d2d84ae7a23fa4355392ba7988
02 R 616b54f00aaf27f78231dae58619beedf57af008593bd10288a87c6a917e8e98
03 R ddef01086c13709fe33a8691e7be4e854d39753da97a137e79e65e6d702c1ebc
04 R da0ea5cef309e894ccd7c40ca208e45a28a9f7340c6a713c02c607ed506c50af
05 L 9836aa32ef69941396b447fa3ccd8bf3358a12f38fc944d3fe498baf9fa9e077
06 L 52dad38eac14f857d957ea726e881104babc8e1ca375cae907a51425840fee5f
07 R 396b9b38ed535f956be03aa22bbda63e00079389bc2008f3980741a445e26f97
root 87cf8f2dd4f2a12b650b3108302d8d670297c5c3feb0bf56596cd5a13e5a6098