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 ₱230.5K contract to GEMRON STEEL WORKS & CONSTRUCTIONNational agencies

Transaction hash:

542495bcef7e5c6c1d2aedfd6991952cec9e598ad7d451258fc0db3d4a74fb15

Status:

Included and unchanged

Block:

#460 5,553 blocks after it

Position in block:

Transaction 1 of 7

Award day:

Oct 31, 2008 (18 yrs ago)

From:

PHILIPPINE PORTS AUTHORITY - PMO PUERTO PRINCESA

To:

GEMRON STEEL WORKS & CONSTRUCTION

Value:

₱230,452.63

Project:

VARIOUS REPAIR PROJECTS PORTS OF PUERTO PRINCESA AND BROOKE'S POINT, 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 #460 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 2008-10-31.
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 542495bcef…74fb15now …
2. Block Merkle root changed
stored 0502162e83…982636now …
3. Block #460 hash changed
stored a2babfa017…8b38b6now …

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

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 6 records. Each step hashes the current value together with the sibling shown.

leaf 542495bcef7e5c6c1d2aedfd6991952cec9e598ad7d451258fc0db3d4a74fb15
01 L 198faab939fa0f5056c97ae5ca4e27d2ed7c978e9b7cabb2d79db6ddfebc8583
02 R 96b87338e222579802f9326dcdbd6a403b741566eb2bccf606f83440efe42663
03 R 6fdf731d0130f483bf0549708c00884b4d94b3dc2357de2b98ecfb4c6b8aebba
root 0502162e83f9117368976eb7381d329539809be49b42343c173b044712982636