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 - TACLOBAN CITY SDEO Award a ₱7.7M contract to B. M. MARKETINGNational agencies

Transaction hash:

2df82f83c2eec0583a80fbf7aae426ce7631a6e91fc4aba1e0f55949835350e5

Status:

Included and unchanged

Block:

#1,144 4,869 blocks after it

Position in block:

Transaction 2 of 20

Award day:

May 17, 2011 (15 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TACLOBAN CITY SDEO

To:

B. M. MARKETING

Value:

₱7,658,887.00

Project:

Preventive Maintenance of Daan Maharlika K903+000 - K903+950

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TACLOBAN CITY SDEO

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 #1,144 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 - TACLOBAN CITY SDEO awarded it to B. M. MARKETING on 2011-05-17.
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 2df82f83c2…5350e5now …
2. Block Merkle root changed
stored 5d58b9f2ef…5c01cfnow …
3. Block #1144 hash changed
stored 0cd7d06342…02a209now …

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

leaf 2df82f83c2eec0583a80fbf7aae426ce7631a6e91fc4aba1e0f55949835350e5
01 R 3f9729ec4d235557a8f5a94a171fcb4bea2b19aee899016cd47beeead5bfc2de
02 L 928ef2cc3a33f4c316974fb82d153eeb858b3caa9922ab38b1efb0ba48d849b7
03 R 6d3b827233bf1e6202c0f861775885efd6a2c8c432118ef4332aaf100ac844d3
04 R cb0f75f7ef48368400dfe5ab83e2bfba0aa2241b08dbba3f17568c4ad2d69597
05 R 6a75573d06d7feea90c845e6d7f95c5daf451be2f06b8c96809ef5e5a7cc0b9a
root 5d58b9f2eff192816f7eeba86d057b42fab77a171593b6cd0e424dbf3a5c01cf