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

BUREAU OF CUSTOMS Award a ₱479.0K contract to NGN CONSTRUCTION AND SUPPLIESNational agencies

Transaction hash:

745fc5d8284d99bc277fa87a237de532a9334a8e28da5ced04337b27f9063e25

Status:

Included and unchanged

Block:

#2,701 3,312 blocks after it

Position in block:

Transaction 17 of 40

Award day:

Mar 28, 2016 (10 yrs 7 mo ago)

From:

BUREAU OF CUSTOMS

To:

NGN CONSTRUCTION AND SUPPLIES

Value:

₱479,000.00

Project:

Repair/Rehabilitation of common comfort rooms

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

BUREAU OF CUSTOMS

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 #2,701 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)
BUREAU OF CUSTOMS awarded it to NGN CONSTRUCTION AND SUPPLIES on 2016-03-28.
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 745fc5d828…063e25now …
2. Block Merkle root changed
stored 114eb9ea4f…a3f092now …
3. Block #2701 hash changed
stored 049a32620b…c83874now …

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

leaf 745fc5d8284d99bc277fa87a237de532a9334a8e28da5ced04337b27f9063e25
01 L 7384c958d0d3865c748909cf744c2335b26f5acece401e7203b707be92e6075c
02 R 9991f01416c565be0f6ab32ff8639347f09cb3b92d024c2939db2cdbf6f9fb18
03 R e6844f5509f0a470f51f38c91577607c11cbd937d3669febc98455c219d41d68
04 R 35ab1c7f28a320c0fb12b37e037505583138a3cfb9cf2d2fad2a9286196ffaa8
05 L d67c075600eb858089f44a07d56dc030a92cd16eadcc2543fdb13bdbe887754d
06 R 2cf5c71ae12e39e921532795a70ad2778ef30a00d0f580ac5b45f3ceb186d553
root 114eb9ea4f75b860c7527789471375110456d3970446a919470e047fdba3f092