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 ₱971.0K contract to GEMRON STEEL WORKS & CONSTRUCTIONNational agencies

Transaction hash:

eb57fd817f4cc835ca53265d5cb2b14caad4cfd20cab40a9dac50c1f19283b61

Status:

Included and unchanged

Block:

#1,210 4,803 blocks after it

Position in block:

Transaction 49 of 54

Award day:

Aug 5, 2011 (15 yrs 3 mo ago)

From:

PHILIPPINE PORTS AUTHORITY - PMO PUERTO PRINCESA

To:

GEMRON STEEL WORKS & CONSTRUCTION

Value:

₱971,036.06

Project:

PP1102-I MAINTENANCE OF PHYSICAL FACILITIES, PORT OF PUERTO PRINCESA, PALAWAN

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 #1,210 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 2011-08-05.
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 eb57fd817f…283b61now …
2. Block Merkle root changed
stored 0e99c5af68…28b6f5now …
3. Block #1210 hash changed
stored 7cfa64e1ef…463637now …

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

leaf eb57fd817f4cc835ca53265d5cb2b14caad4cfd20cab40a9dac50c1f19283b61
01 L ea32c8cdeb24d4b2817084906606dd793139fb86dfacd812ef0dea1b97744bff
02 R 0d282855c9502c1c519af473470ab96f23323646825d97c8af8ed20fa8dd9d79
03 R 90629787fa3521f9e89ec269111a6f401b4927236c922f8db2c75864500293f8
04 R e71cc842b7d079cbb018935a52547dd8aa1f425d1c91b0002ddc5a8b584701db
05 L bc9484b7e68294bd02a868de7bd0705b36cd23656d6f1583e48a9769524846bd
06 L 69f1f431711a1aa441f11010de67fb1e8f7ce4e525e5ce7970e4b6bf043435ee
root 0e99c5af685f404ab045880a05dc46b0b048b67b16ba3a11438be4ed5b28b6f5