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 - SOUTH COTABATO DEO Award a ₱1.2M contract to ROCKSTONE CONSTRUCTION SERVICES & SUPPLYNational agencies

Transaction hash:

fbf9c6cc62cb1c863fec757d3e3e2aae08c5ea2461b88361c1decd6aaa53c306

Status:

Included and unchanged

Block:

#1,498 4,515 blocks after it

Position in block:

Transaction 67 of 74

Award day:

Jul 4, 2012 (14 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SOUTH COTABATO DEO

To:

ROCKSTONE CONSTRUCTION SERVICES & SUPPLY

Value:

₱1,191,293.47

Project:

12MG0038 - Construction of multi-purpose building, Brgy. Poblacion, Tantangan, South Cotabato

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SOUTH COTABATO 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 #1,498 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 - SOUTH COTABATO DEO awarded it to ROCKSTONE CONSTRUCTION SERVICES & SUPPLY on 2012-07-04.
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 fbf9c6cc62…53c306now …
2. Block Merkle root changed
stored ef821ce87b…6da68cnow …
3. Block #1498 hash changed
stored af0bfd4e75…2cb304now …

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

leaf fbf9c6cc62cb1c863fec757d3e3e2aae08c5ea2461b88361c1decd6aaa53c306
01 L f9242badabeb5374677b57d28f4ea6312af22a1393623124af9c43a266a5db62
02 L 35342f3341d67fe814255edfedf417ee071389b31742554f684b73f894e30e24
03 R 3cc28ac8d0aca98fec0dd1e9121f5f9106dfb794628732bb1de10a03e26b774c
04 R 525cee575f9df020b2793f043590308af1dc84a48ef562d2e911f4bbe2bd7641
05 R 23015a46d515b6f2dd4c360d671bc38a7139aef00f001f378bb889ad2193f9c6
06 R aaa71b122d7cd5a85ce09ec54acdcec9857aa5075665c14e5c96295cfcb24e34
07 L a4ad92bb937e44c07eddc73a3a47dab56481cf377118b84ecfe05163aded974f
root ef821ce87b9c66d1841b35ea8ef802e3bb6112c151522910daf29297386da68c