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-PORT DISTRICT OF SOUTHERN LUZON Award a ₱8.4M contract to GEMRON STEEL WORKS & CONSTRUCTIONNational agencies

Transaction hash:

e3757437f71952afeeb2ee77b1387d9671ab739fe4c8acd5643472de20fa32fc

Status:

Included and unchanged

Block:

#1,168 4,845 blocks after it

Position in block:

Transaction 31 of 36

Award day:

Jun 16, 2011 (15 yrs 4 mo ago)

From:

PHILIPPINE PORTS AUTHORITY-PORT DISTRICT OF SOUTHERN LUZON

To:

GEMRON STEEL WORKS & CONSTRUCTION

Value:

₱8,419,656.80

Project:

Port of Culion, Palawan-Concreting of Back-up area with Drainage system and Lighting Tower

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PHILIPPINE PORTS AUTHORITY-PORT DISTRICT OF SOUTHERN LUZON

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 #1,168 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-PORT DISTRICT OF SOUTHERN LUZON awarded it to GEMRON STEEL WORKS & CONSTRUCTION on 2011-06-16.
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 e3757437f7…fa32fcnow …
2. Block Merkle root changed
stored 2b4377e3ae…316bc9now …
3. Block #1168 hash changed
stored 25b0a2b38d…f1ca98now …

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

leaf e3757437f71952afeeb2ee77b1387d9671ab739fe4c8acd5643472de20fa32fc
01 L e189a3ff1827d8963d032c186ccb67f0db0d4e7ab560fe5442730593c12bb2bd
02 L df25a6a1b4e64247a8a7c39cd8fde383a9bff160314706f09cbbc7247ea467bf
03 L 7d1dcbfa070d70ecd4e19de5b7f8d41a0ec1ef595a78bbc25c2bef7ba6e0135a
04 L 9a8ba3fa138871bedcaf7f7925eb98738ee5dc26b53cc8b4cd3efefe4fe47a27
05 L 13b00692a760222f374fb9e21b5c673f670760d36b0aeec174bbdcd11bbcad31
06 R 9906f7899a553b08daadce5c47fe1159f4c000b9eda735daaeb0b5726590479c
root 2b4377e3aebf0850fd17320ca0a3cf0b7b21d3b2c4bec4b5a706e2829d316bc9