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

NATIONAL HOUSING AUTHORITY Award a ₱5.0M contract to TRM CONSTRUCTION & DEVELOPMENT CORP.National agencies

Transaction hash:

d8d1cc36ddf4575554170e0073875ccab49e85f2818b7db70764cf5b2b709eb7

Status:

Included and unchanged

Block:

#686 5,327 blocks after it

Position in block:

Transaction 33 of 38

Award day:

Sep 11, 2009 (17 yrs 2 mo ago)

From:

NATIONAL HOUSING AUTHORITY

To:

TRM CONSTRUCTION & DEVELOPMENT CORP.

Value:

₱4,990,209.23

Project:

Package 2-Construction of Livelihood, Production and Training Center, Southville 2 Housing Project, Brgy. Aguado, Trece Martires City, Cavite

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

NATIONAL HOUSING AUTHORITY

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 #686 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)
NATIONAL HOUSING AUTHORITY awarded it to TRM CONSTRUCTION & DEVELOPMENT CORP. on 2009-09-11.
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 d8d1cc36dd…709eb7now …
2. Block Merkle root changed
stored 01b588c97b…a923canow …
3. Block #686 hash changed
stored e29fe149cd…d74539now …

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

leaf d8d1cc36ddf4575554170e0073875ccab49e85f2818b7db70764cf5b2b709eb7
01 L d576e1b37a4ea357b3ca48305852ed96c4889fbc93eaae09e52984fd6b3cb363
02 R 20d8cd912d0d018e3cd9f3cf788614c84a3a38f2cd27428c2d6495eb361fbdea
03 R 248ea2f17fb118ec4e8d71d552478be50cb5ef03a061c0a5b798032bdf639c8e
04 R e25044ea0d3c49a928148e05ac13266bd95a2a9f4e4da6bc3cf0de31815f0b72
05 R f55e342e0a15c943060a68b3a20c49c12a6a2797e3ac1e2b5b3196ca8352268d
06 L 8f672b2870214b284f2a915ce453e87246516aaf797b3bafc66ad706f4f16617
root 01b588c97b6379dc9eb8884185eb917fbc8dc0a88b4ad41abd583baa07a923ca