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 ₱4.8M contract to ARL CONSTRUCTIONNational agencies

Transaction hash:

27adc8bc4e17c0458c15ee3fe52e00cd2048ce40a058971084a205b5e73d1e4b

Status:

Included and unchanged

Block:

#429 5,584 blocks after it

Position in block:

Transaction 3 of 19

Award day:

Sep 18, 2008 (18 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

ARL CONSTRUCTION

Value:

₱4,770,021.00

Project:

Invitation to Apply for Eligibility and to Bid of various infrastructure projects

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 #429 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 2008-09-18.
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 27adc8bc4e…3d1e4bnow …
2. Block Merkle root changed
stored e16cb0cf81…6e2e31now …
3. Block #429 hash changed
stored 2a9a77f18e…1072b1now …

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

leaf 27adc8bc4e17c0458c15ee3fe52e00cd2048ce40a058971084a205b5e73d1e4b
01 L 1f5972d546f0332725bbd5d2cd0b0ee54b08f21aa124e8c5b1cf64d75ffc9f64
02 L 180c08165ca6f023b2db6ba1da7ce9bb18fee31c083750ba83d6d77311be5d7c
03 R 5f441391270331344f5261293ec4974a43f380c71653d71782db4e9ca2c20c92
04 R c14967f39106d66ff2186937b8d2467f979e8f684aa8485a0ddd24d276099ef2
05 R 11e9e9770e274fc7efb669eb39ba68f47bbcf54ef2721f1abd71ae43be81ef76
root e16cb0cf81fdcf2defa070bc4d79a1c431e8f86e33d926e7504921d6bb6e2e31