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

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LEYTE 4TH DEO Award a ₱882.4K contract to OCTAGON CONCRETE SOLUTIONSNational agencies

Transaction hash:

756f7fe0afa129cbf026bb4258681cb13adebd00f881cda75c2a0594d2e27b9f

Status:

Included and unchanged

Block:

#1,202 4,811 blocks after it

Position in block:

Transaction 21 of 43

Award day:

Jul 27, 2011 (15 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LEYTE 4TH DEO

To:

OCTAGON CONCRETE SOLUTIONS

Value:

₱882,383.86

Project:

Construction of Spillway Crossing Tiwasan River, Brgy. Esperanza, Ormoc City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LEYTE 4TH DEO

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 #1,202 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)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LEYTE 4TH DEO awarded it to OCTAGON CONCRETE SOLUTIONS on 2011-07-27.
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 756f7fe0af…e27b9fnow …
2. Block Merkle root changed
stored 4019e05d86…cabefbnow …
3. Block #1202 hash changed
stored 0a30dd6e0c…75fe36now …

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

leaf 756f7fe0afa129cbf026bb4258681cb13adebd00f881cda75c2a0594d2e27b9f
01 L 733f01b4376f0ee18439c04327bab627cf6be7cd76240ebbe4c78226a8823d75
02 R 988ccc5ca9b46c9d6ba575b9d48f01176b3ea4af10e3124deadb7ab098cff887
03 L 468803bd866ea8eb2213354f4984dd5f783d533cd9baf202b34d36529f766862
04 R 8c9aff8a0150ac155725810a11f1efe1a3bcca1004507affcf47e4aaca20472f
05 L 34dd76d89c4697e093b648bc17629715b1aaa2527a7da1144387361439fdd181
06 R cdeec73cf565ca4dca88148a8e72b3be3fecdcf63106b5f2da59766c50ff99ba
root 4019e05d86c2c100a6022b034fa55b0548590b6da3672acb04e6a0116ccabefb