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 M.S. RAMOS CONSTRUCTION INC.National agencies

Transaction hash:

d2a695eb08271db06b0eafacabef8807bba7e80e36b8820b8f242619d4e4befd

Status:

Included and unchanged

Block:

#1,445 4,568 blocks after it

Position in block:

Transaction 58 of 80

Award day:

May 4, 2012 (14 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 1ST DEO

To:

M.S. RAMOS CONSTRUCTION INC.

Value:

₱4,849,927.80

Project:

Repair/Rehabilitation/Improvement of Bocaue-San Jose Road km 28+000 to km 29+430 w/ exceptions Bocaue, 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 #1,445 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 M.S. RAMOS CONSTRUCTION INC. on 2012-05-04.
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 d2a695eb08…e4befdnow …
2. Block Merkle root changed
stored 8a24e00991…661dffnow …
3. Block #1445 hash changed
stored 0995c89b1f…ad951fnow …

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

leaf d2a695eb08271db06b0eafacabef8807bba7e80e36b8820b8f242619d4e4befd
01 R d33ea4aef0ff4dcfdc096d8a6f92bea608215d7307f1e1bcfcbb8d2cfe0e4d52
02 L c6e28a70240a4ed99de9aca7d997af88d948e39ea977e05b2223dd0e74707a3b
03 R 8dc6d48bd0a36194e7039bb07e96617860e98bd289e9fc4ddb87aac7e76e45a2
04 L 868d064b1b38f81035b10f9b5c7004df818d6b92a2eb5511dbdd83edc645a3a6
05 L 5268e9b69dc77382b1937db03bc410bf2076604fe3e10a2123949fb5b993763d
06 L aa5d8c42a8cf0aa2eef717fc9de946345b5ff45197054651f5d060824943dde0
07 R 6ffa403aca80825be2ad308fc32b811ed2a8af9ab4a96a73f27c20c49a019dc5
root 8a24e00991a1992dc3507de957b78ad08b804b3619579a59a77c98e035661dff