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

CIVIL AVIATION AUTHORITY OF THE PHILIPPINES - GEN. SANTOS Award a ₱77.0K contract to KORONADAL V & E BUILDERS AND CONST. SUPPLYNational agencies

Transaction hash:

ca98ea08231ef6900ac466b7fad12f36fe4c70ddaa6698ee548ba67734051d91

Status:

Included and unchanged

Block:

#5,834 179 blocks after it

Position in block:

Transaction 42 of 52

Award day:

Apr 22, 2025 (1 yr 6 mo ago)

From:

CIVIL AVIATION AUTHORITY OF THE PHILIPPINES - GEN. SANTOS

To:

KORONADAL V & E BUILDERS AND CONST. SUPPLY

Value:

₱77,000.00

Project:

DISMANTLING OF NDB ANTENNA TOWER

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CIVIL AVIATION AUTHORITY OF THE PHILIPPINES - GEN. SANTOS

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 #5,834 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)
CIVIL AVIATION AUTHORITY OF THE PHILIPPINES - GEN. SANTOS awarded it to KORONADAL V & E BUILDERS AND CONST. SUPPLY on 2025-04-22.
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 ca98ea0823…051d91now …
2. Block Merkle root changed
stored dc6315d611…f5e133now …
3. Block #5834 hash changed
stored f329a21c16…353b99now …

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

leaf ca98ea08231ef6900ac466b7fad12f36fe4c70ddaa6698ee548ba67734051d91
01 R d52d2b12f7fe6a55f90b32c182d081b5302c1e00d90e8ace93e06e0d8c81ad74
02 L c8556c89b0825a00df7fa44380be42cdbbb0b1b4d5442c2d898e9a2dcc22782f
03 R 03b8d70b105e2bdc5685e80318ee0b475204c3fcdbd36c103694ac8c8ad66545
04 L 6b3dffa4dd4aa19110f16610bbb9356d7d2575a10ee3ed99ec860154fb09abf7
05 R 183a8561c406264977adfe11f6b0d7faa02d5b247c263b0a5b111efe1daac03f
06 L d5e5c9c9479ba33276a8fac8af921d1d5c62b21050aad6e00f6c0d324ab2f194
root dc6315d611ec9a7d5c0f07fce2da2b41b4b45e3cdfcdb7e78f70abc27df5e133