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 - BULACAN 2ND DEO Award a ₱290.4K contract to BROSTAN CONSTRUCTION AND DEVELOPMENTNational agencies

Transaction hash:

5fffd1085d8a449b69cb0346d7481d8f598a13d0ddc1c8c19a86fc360d20b9ec

Status:

Included and unchanged

Block:

#1,057 4,956 blocks after it

Position in block:

Transaction 15 of 35

Award day:

Jan 26, 2011 (15 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 2ND DEO

To:

BROSTAN CONSTRUCTION AND DEVELOPMENT

Value:

₱290,354.57

Project:

Completion of multi-purpose building Brgy. Banga, Meycauayan, Bulacan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 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 #1,057 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 - BULACAN 2ND DEO awarded it to BROSTAN CONSTRUCTION AND DEVELOPMENT on 2011-01-26.
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 5fffd1085d…20b9ecnow …
2. Block Merkle root changed
stored 760650a02e…c892adnow …
3. Block #1057 hash changed
stored 23001fb706…3b3598now …

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

leaf 5fffd1085d8a449b69cb0346d7481d8f598a13d0ddc1c8c19a86fc360d20b9ec
01 L 5ca3717028e60fc9beff4c273aac5151d621ba4725ef8a0d7bbd2fa5e81a8fcb
02 L 041c839eaf9e4ff66747c69bfe7d9cb8b682029169d1b1090ef9d624ca93cb7e
03 L 5155cec3d439844d05b0f8b857d147c6e2e8757b55d98cba7d734bacd2cd5066
04 L f8e9af8ece4b219f32424fcc14d8aa361969ec908d2c6b70f5320b53e5594599
05 R 5f16064e12ac6ae6596ad907213242af350bee647d12db7cf9158ea366be007b
06 R 3bd245e77829f351a82cda874c063f939600598b0db8df21cafdf9f08c6e8084
root 760650a02e63c81b46235b4af1bc83508e65396d045e611204ffb0e44fc892ad