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 - REGION XI Award a ₱44.3M contract to ALZAM ENTERPRISESNational agencies

Transaction hash:

025dddff47daf93c0ea58928792079039a881db45cf80a1a22fdd423ad850675

Status:

Included and unchanged

Block:

#2,003 4,010 blocks after it

Position in block:

Transaction 0 of 65

Award day:

Feb 18, 2014 (12 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XI

To:

ALZAM ENTERPRISES

Value:

₱44,322,726.11

Project:

13L00045 ROA, NOA, Contract & Notice to Proceed

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XI

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 #2,003 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 - REGION XI awarded it to ALZAM ENTERPRISES on 2014-02-18.
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 025dddff47…850675now …
2. Block Merkle root changed
stored e86ac1abc7…c5518fnow …
3. Block #2003 hash changed
stored dc881cd2b6…bc7dc4now …

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

leaf 025dddff47daf93c0ea58928792079039a881db45cf80a1a22fdd423ad850675
01 R 08b473a8bfa0124ff530ded6960bf3652c15763ee20158cc04dc39433ff816e4
02 R 4071e4741e95a09286078f16c1ecbc0c824e244e5cc447c4942afd2e78bd1a8e
03 R 4324a3d0048d098aad8a3d2b780bc8d23f33a500a5848e8085d4ee8dd9560f12
04 R 2efd45cacd57366a7df366f09c04f0f3bf68ee845248747dd3e1cfd31125c6ba
05 R b6447f750264f57f2a2a2a4db6a63459fb71270330852f9750f5eff13f48f222
06 R cdbae4084e2b0be2f149ebb2302833b176e5b25f366be05f55be7198cda7164f
07 R c6e67708dcf7ce652671d4083729f3a51f60f5a3e50d1b6612c368c2f7e9d48f
root e86ac1abc73342cfbdbebb8adaf50e42442c4180bd04177ecad9d38e9cc5518f