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 ₱66.5K contract to GEMRON STEEL WORKS & CONSTRUCTIONNational agencies

Transaction hash:

f0c8065f0240de9568b3e2bac497d563cc185a35abe8b68d61c99969766225b7

Status:

Included and unchanged

Block:

#914 5,099 blocks after it

Position in block:

Transaction 11 of 12

Award day:

Jul 26, 2010 (16 yrs 3 mo ago)

From:

PHILIPPINE PORTS AUTHORITY - PMO PUERTO PRINCESA

To:

GEMRON STEEL WORKS & CONSTRUCTION

Value:

₱66,477.40

Project:

REPAIR OF EMERGENCY POWER SYSTEM OF PTB, PP

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 #914 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 2010-07-26.
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 f0c8065f02…6225b7now …
2. Block Merkle root changed
stored d38dfe79e4…dd7ba0now …
3. Block #914 hash changed
stored d968a477b1…c670ccnow …

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

Merkle proof (4 steps)

How this one record is tied to the block's Merkle root, without needing the other 11 records. Each step hashes the current value together with the sibling shown.

leaf f0c8065f0240de9568b3e2bac497d563cc185a35abe8b68d61c99969766225b7
01 L e076e917be400afa3ae4510f6339f333fe7fb6bafa8f3d62ac6c32cbdcba6b3e
02 L 916bfa02b88e2455cb83391c58c5efdaf922a201b4ee8612233d8396f3887072
03 R 16fbd29e4eddf7782855555c399c081d0db5ae5cdab8dca1578a3eb77c40d23e
04 L 2b439f342596ec87d66cf240cc275ddba2cac055e9b430838a44e456734b218a
root d38dfe79e4fa0f18b419cdcd49a4abe218eed902480b61d491002cb5aadd7ba0