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 PUERTO PRINCESA Award a ₱255.1K contract to GEMRON STEEL WORKS & CONSTRUCTIONNational agencies

Transaction hash:

855afb96fd7c455cf0bf70fb5559b47ade97df0090d1ab04e91e8704c0db1a28

Status:

Included and unchanged

Block:

#605 5,408 blocks after it

Position in block:

Transaction 12 of 19

Award day:

May 25, 2009 (17 yrs 5 mo ago)

From:

PHILIPPINE PORTS AUTHORITY - PMO PUERTO PRINCESA

To:

GEMRON STEEL WORKS & CONSTRUCTION

Value:

₱255,139.23

Project:

MAINTENANCE PROJECTS BY JOB ORDER (PORTS OF PUERTO PRINCESA, EL NIDO, CORON, CULION AND CUYO)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PHILIPPINE PORTS AUTHORITY - PMO PUERTO PRINCESA

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 #605 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 PUERTO PRINCESA awarded it to GEMRON STEEL WORKS & CONSTRUCTION on 2009-05-25.
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 855afb96fd…db1a28now …
2. Block Merkle root changed
stored 59c83288d2…6138f2now …
3. Block #605 hash changed
stored a9dc19dc74…ecfccbnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 18 records. Each step hashes the current value together with the sibling shown.

leaf 855afb96fd7c455cf0bf70fb5559b47ade97df0090d1ab04e91e8704c0db1a28
01 R c251959db8c1624f5850ef0ebdd0495f9059318038b8958861004223aebf78bb
02 R 58b846402b0030f45b263a40b903121bf421412dfabd51f8fa28e1a9282dc3a0
03 L 0da2d1784445002ddb756a72376f0689a9d056dafef1abcb9e15e5eb1caea117
04 L d3bd5029f52e384e61af787118503d50a03ecd69015e82a8070140e30f55b361
05 R 6302fcf9ef2eb01dc8d07a563ca06ba9cd31d72f695b3ac8d43ce1269c8fa083
root 59c83288d255159b08fe0250ddadfe7bef87f5331ad2f153ce8756b07b6138f2