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-BULACAN 1ST DEO Award a ₱620.2K contract to ARL CONSTRUCTIONNational agencies

Transaction hash:

c6274f19fbd9c078a7e9dbf35b1b0205c7d391aaa8697ce934cdf70e22509559

Status:

Included and unchanged

Block:

#508 5,505 blocks after it

Position in block:

Transaction 20 of 25

Award day:

Jan 9, 2009 (17 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

ARL CONSTRUCTION

Value:

₱620,206.35

Project:

Repair/Rehabilitation of Sta. Lucia H/S Calumpit, Bulacan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 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 #508 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-BULACAN 1ST DEO awarded it to ARL CONSTRUCTION on 2009-01-09.
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 c6274f19fb…509559now …
2. Block Merkle root changed
stored 80e9a78bd5…d238b3now …
3. Block #508 hash changed
stored 6f2f54dbd5…a5a849now …

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

leaf c6274f19fbd9c078a7e9dbf35b1b0205c7d391aaa8697ce934cdf70e22509559
01 R ca65fb3c671a656044c470061b8c281b7384ccc162bb9f95774515ec03946298
02 R 7ea8bbca26f9e6c00a218311e6ed219416d20c00e51272d796233fbb5488e646
03 L f53c769322136b860de4a4e34f343664f637934d7230fb014be1f30deb17cddf
04 R e560f237d67b46f35ad1d725cf0103c005fa2834db11e4583a162e8546c3b3e9
05 L 0dd4a8427408d442795135770243908f1795234c0f79c156b10f8dcf25c7eb28
root 80e9a78bd5357030b27520dbd0d0c3555904f73a2d033a3e7d609d5cfad238b3