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 ₱655.7K contract to GEMRON STEEL WORKS & CONSTRUCTIONNational agencies

Transaction hash:

54bbed60eafb0922e4cd669dead8665176e22cee70c6a46ca8c7eb7d0be6dbb5

Status:

Included and unchanged

Block:

#1,196 4,817 blocks after it

Position in block:

Transaction 7 of 20

Award day:

Jul 19, 2011 (15 yrs 3 mo ago)

From:

PHILIPPINE PORTS AUTHORITY - PMO PUERTO PRINCESA

To:

GEMRON STEEL WORKS & CONSTRUCTION

Value:

₱655,687.26

Project:

PP1105 VARIOUS REPAIR IN ADMIN. BUILDING, 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 #1,196 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 2011-07-19.
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 54bbed60ea…e6dbb5now …
2. Block Merkle root changed
stored f642251b9c…21c14cnow …
3. Block #1196 hash changed
stored 3ca27c5e7b…b84448now …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 19 records. Each step hashes the current value together with the sibling shown.

leaf 54bbed60eafb0922e4cd669dead8665176e22cee70c6a46ca8c7eb7d0be6dbb5
01 L 53882b3538a937b54d22930faf7b212d20788783ccdd5380c05b24794be7ff27
02 L 3392a8a333d4dafc88b182984d7bccd8f33395864e09e7e787caa1ec8bc3a97e
03 L ba6fdd41487f6cc83b812c508f9840b2145e6cb50cee339c0fca8fa268e74261
04 R 55e2cda874bb89fd13c4290d56214985e0ef99a0fd47e9fa2f7e7d05710b6920
05 R 947bec0f69ea87b024de12a74d674b41ea6447d559c1492e6e9a61fa80f81463
root f642251b9c47679b55327ab925f7f77e0200066a6006b209fd42d3d63521c14c