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 ₱137.7M contract to GULF - CANARY CONSTRUCTION & DEVELOPMENT INC.National agencies

Transaction hash:

bf5c92a7791c6cd2b3ba0e906e97f1abd3e5ebf3c9d45b170f9185ebc82d7fff

Status:

Included and unchanged

Block:

#2,142 3,871 blocks after it

Position in block:

Transaction 81 of 120

Award day:

Jul 31, 2014 (12 yrs 3 mo ago)

From:

NATIONAL HOUSING AUTHORITY

To:

GULF - CANARY CONSTRUCTION & DEVELOPMENT INC.

Value:

₱137,720,620.20

Project:

Z3R Rehabilitation Project-Mariki at Brgy. Mariki, Zamboanga City

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 #2,142 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 GULF - CANARY CONSTRUCTION & DEVELOPMENT INC. on 2014-07-31.
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 bf5c92a779…2d7fffnow …
2. Block Merkle root changed
stored 92f3103b54…aee8d0now …
3. Block #2142 hash changed
stored 7ce4b76bb8…8e684bnow …

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

leaf bf5c92a7791c6cd2b3ba0e906e97f1abd3e5ebf3c9d45b170f9185ebc82d7fff
01 L b9d644fda652db837371778b7967f66d95c96052786fb547a69744f4eed1dfb3
02 R 999cd6c624d406089f07eea95c81d54e7a4da8f3001f055b57e488e175a79f6d
03 R bcdc433dd69dfea51259c031b80724375493d981d40f16e7ed061886391c15a2
04 R 9130d23f9cf0c828d3447730057a51f49d1fe53bf395de2008dbec4608adbd8e
05 L 3bdad898d61aed2c2c1a3c3783f44ae6a46ddb4b587ecd4605a7ea7f56f80289
06 R 162665b4ec190f662287cb4ad6ed489585973d520bb92d6c1dcf3c5b03e135d7
07 L 0c4d0d7e68bb8e3b96d47d39db716a7678d0fa708f7ab6f9ec94fa00699864f3
root 92f3103b5483548b869b30bc6542408397bfcc7311aa77007e72375b12aee8d0