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 ₱285.9K contract to GEMRON STEEL WORKS & CONSTRUCTIONNational agencies

Transaction hash:

830209fc9b895963f353b581ec0f49707b301c9bb3bc0216ded35da59871eb69

Status:

Included and unchanged

Block:

#1,089 4,924 blocks after it

Position in block:

Transaction 37 of 63

Award day:

Mar 7, 2011 (15 yrs 8 mo ago)

From:

PHILIPPINE PORTS AUTHORITY - PMO PUERTO PRINCESA

To:

GEMRON STEEL WORKS & CONSTRUCTION

Value:

₱285,875.58

Project:

IMPROVEMENT/UPGRADING OF COMFORT ROOMS OF THE PORT POLICE AND ENGINEERING SERVICES DIVISION OFFICESS

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 #1,089 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 2011-03-07.
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 830209fc9b…71eb69now …
2. Block Merkle root changed
stored 6b93aedc4b…512a2dnow …
3. Block #1089 hash changed
stored c822e12c07…6a22f6now …

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

leaf 830209fc9b895963f353b581ec0f49707b301c9bb3bc0216ded35da59871eb69
01 L 777b736f19969e7299ca4e3864007bc8c278389443fb350f22468772ba72e3bf
02 R c12c8b84d9e64a399f81d79c9e19241a2a9c2311ba86a032d0fc4cdf310f2c50
03 L 49acb4fe1302ce5c10b3a11cb5e87b606f9b485f7cfb4a5e54ba055373a1ecdf
04 R d2d198c12c757f18f6c83402d26fcbce4ec52ef5da16266c1d3a0cb895522822
05 R 195bee7ef090cae96bf5f3c0b0a2102c85946ec0374eabe457f2b47bce379045
06 L da05906def182b9f42f39a1201253f8c0f66d732e42057db7445fd48d2281b3a
root 6b93aedc4bf73d85c558e1cdf0e6daab48090c21f06c6af5c1deef6f79512a2d