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 - LDN 1ST DEO Award a ₱5.1M contract to PLD CONSTRUCTIONNational agencies

Transaction hash:

6a44a7f133fdc2f6ca5b8edd473d62831775968fbc4738b52a4619c3e3a36923

Status:

Included and unchanged

Block:

#1,345 4,668 blocks after it

Position in block:

Transaction 48 of 111

Award day:

Jan 9, 2012 (14 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LDN 1ST DEO

To:

PLD CONSTRUCTION

Value:

₱5,149,644.02

Project:

Preventive Maintenance along Iligan City-Marawi City Road (Asphalt Overlay Thick - 50mm), Balo-i Road Section, Balo-i, Lanao del Norte (Km. 1543+000-Km.1543+417

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LDN 1ST 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 #1,345 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 - LDN 1ST DEO awarded it to PLD CONSTRUCTION on 2012-01-09.
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 6a44a7f133…a36923now …
2. Block Merkle root changed
stored 31298baa6a…44d4e8now …
3. Block #1345 hash changed
stored a7d5fcdfbc…e28b7anow …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 110 records. Each step hashes the current value together with the sibling shown.

leaf 6a44a7f133fdc2f6ca5b8edd473d62831775968fbc4738b52a4619c3e3a36923
01 R 6bc029c2a86b86e403ae3b175fa0f4d95dfccd3607dce6254179fb61a7dda6b3
02 R a41a283d0ca21bb91a47ce58d913fe71947842cf8a598de1d79dfbe50e535d3b
03 R 071d15890e65e7de6a3219345338796b97e3d7b3e35484613228fa989cd59b63
04 R 4d5101ffdd44408531de109522b7a74cfd439512282fcc490a183755628be79f
05 L 61feeaa12a66e57fe78950827d6f918bcb542756ad530dc4efdd5c1b42f4276a
06 L 0a28366ccc184f57ddd5ec7a2bade501dcb320a831f69ced4360f910df02fb74
07 R 844e33ccd53ef7a7748bcbbca8a66e304b6e6ccccb89eb7d2d346b7586812ee0
root 31298baa6a129c78298e20d4bee583dc60d30a46c576b93f9357103c4644d4e8