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 PORTS AUTHORITY - PMO - SOUTH HARBOR Award a ₱497.4K contract to JM DUQUE BUILDERS AND SUPPLYNational agencies

Transaction hash:

a190b17cdf9b446972a647786a759b51fe91610dd074a1c8465e386447d14848

Status:

Included and unchanged

Block:

#1,461 4,552 blocks after it

Position in block:

Transaction 38 of 61

Award day:

May 23, 2012 (14 yrs 5 mo ago)

From:

PHILIPPINE PORTS AUTHORITY - PMO - SOUTH HARBOR

To:

JM DUQUE BUILDERS AND SUPPLY

Value:

₱497,352.85

Project:

Repair of ground floor office at Marsman Bldg., for Port Police Division

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PHILIPPINE PORTS AUTHORITY - PMO - SOUTH HARBOR

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 #1,461 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 PORTS AUTHORITY - PMO - SOUTH HARBOR awarded it to JM DUQUE BUILDERS AND SUPPLY on 2012-05-23.
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 a190b17cdf…d14848now …
2. Block Merkle root changed
stored def8ddd6d0…f44f95now …
3. Block #1461 hash changed
stored ca6fff8308…0c6cb7now …

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

leaf a190b17cdf9b446972a647786a759b51fe91610dd074a1c8465e386447d14848
01 R a2ae1598177f2589c83cdc4493c6bbda0bc2afa49f934eb86e970ea60ca7c0fb
02 L ef8ae6199e913f279d304d49bbfbf01b4c4abbb24aa360966dac9d8e3633505f
03 L a9dc04c498a79b2a0361a35f99095171275c3afc0f9452b7ef17b8378eec50ff
04 R 02461702a532da93073e7068506ebf456387fc188f47003d22a1649050b1db5b
05 R bf785c58b08e02cf99ba0065fbd92364f71b85b81898d4f1f8b530c9b8828619
06 L 51230bfaec2a4dcd98d508652d64f7bcead401278011af56e46d8bffbe51403b
root def8ddd6d0128b3d63aaea9295e1dd1fd06af2a3f324baf14ee208ebf3f44f95