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 CALAPAN Award a ₱469.1K contract to QUASER ENGINEERING AND CONSTRUCTIONNational agencies

Transaction hash:

8da298b626ae47812f85f153524558b187a233c2d361b3b53d08a64d279ed8c7

Status:

Included and unchanged

Block:

#1,640 4,373 blocks after it

Position in block:

Transaction 17 of 29

Award day:

Dec 17, 2012 (13 yrs 10 mo ago)

From:

PHILIPPINE PORTS AUTHORITY - PMO CALAPAN

To:

QUASER ENGINEERING AND CONSTRUCTION

Value:

₱469,141.46

Project:

Repair of Storage, Genset House and Repainting of Covered Walk and Entrance Gate, Port of Roxas, Oriental Mindoro

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PHILIPPINE PORTS AUTHORITY - PMO CALAPAN

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 #1,640 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 CALAPAN awarded it to QUASER ENGINEERING AND CONSTRUCTION on 2012-12-17.
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 8da298b626…9ed8c7now …
2. Block Merkle root changed
stored db57239a00…0100e0now …
3. Block #1640 hash changed
stored ccda160e6f…5e0a5enow …

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

leaf 8da298b626ae47812f85f153524558b187a233c2d361b3b53d08a64d279ed8c7
01 L 8cc0588c0393c4e324ecf315d4260dfa7b00577f2f0cb1021596e13a4a4a5665
02 R af9f06b9578e07db31298ed1c8c511a10ff198f1f671a58a19b73baa43d36a0e
03 R 4d708dd5ef9c8feb7c88d7b1ea64f9c2e64f4d9740ff2c2895c93ab3343bd453
04 R 77546c89af25ad8c71758b183a5abc0e7e866cbc773bad81bd2f4c1b6c067278
05 L ca287bfd371cdc2f0b2924bfdbe3c1b364a654ab2506b6b2f17672f8b0cc0531
root db57239a00cacfa6519a01d5f5f953cdd3f9a016f125caa06e44a71b680100e0