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

PHILIPPINE MERCHANT MARINE ACADEMY Award a ₱4.0M contract to BANCAL CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

4ed850a38e95f55d8ae0194e9db0f5c6e8995a8bee3eb8917f6bb56f0baaa950

Status:

Included and unchanged

Block:

#1,673 4,340 blocks after it

Position in block:

Transaction 39 of 124

Award day:

Feb 6, 2013 (13 yrs 9 mo ago)

From:

PHILIPPINE MERCHANT MARINE ACADEMY

To:

BANCAL CONSTRUCTION AND SUPPLY

Value:

₱4,049,074.44

Project:

goods

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PHILIPPINE MERCHANT MARINE ACADEMY

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 #1,673 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)
PHILIPPINE MERCHANT MARINE ACADEMY awarded it to BANCAL CONSTRUCTION AND SUPPLY on 2013-02-06.
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 4ed850a38e…aaa950now …
2. Block Merkle root changed
stored ee2a379b40…ef104dnow …
3. Block #1673 hash changed
stored e180104e0d…d4f971now …

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

leaf 4ed850a38e95f55d8ae0194e9db0f5c6e8995a8bee3eb8917f6bb56f0baaa950
01 L 4ea7003a667539e07b0aa5aa848f46e6428468815058c246e93c878a3d8b60c1
02 L e640b866c05e8209fa44683ccf866fbdac54623e4075c81495dc29f71e96d29c
03 L b28e0ded769462c0fabf9f70836fe7f357d054579a6b8400affebab55d81276e
04 R 54bb33f3765c6645cda806cfb0aba14f757da0676f984546a525176b6b90c05c
05 R c8fef0833da1857e3201911fec7215b729e93fc4791d82227d14d07e58ae266f
06 L a9a27ff28b4521e0dfe3c364de6532e115cafc6efbb636ad75a1a52cf91e9328
07 R 5dfbc8dc71a3e99be57c793e1451d06cc0434024d21c9aae541100d2b75943f5
root ee2a379b40df486c3c169cd04ba241d25f08e62e58ac9615a023937fb8ef104d