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 VII Award a ₱130.1M contract to VENRAY CONSTRUCTION CORPORATIONNational agencies

Transaction hash:

e49c42d8d06bb1cb843dcefb7754cf1de2e69eeaf2413e5fce4d797c3ce3ddb2

Status:

Included and unchanged

Block:

#2,410 3,603 blocks after it

Position in block:

Transaction 102 of 116

Award day:

May 19, 2015 (11 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VII

To:

VENRAY CONSTRUCTION CORPORATION

Value:

₱130,076,999.85

Project:

15H00011

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VII

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 #2,410 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 VII awarded it to VENRAY CONSTRUCTION CORPORATION on 2015-05-19.
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 e49c42d8d0…e3ddb2now …
2. Block Merkle root changed
stored dd6f9b50c3…03da2enow …
3. Block #2410 hash changed
stored fa9c3f2bb4…649e4enow …

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

leaf e49c42d8d06bb1cb843dcefb7754cf1de2e69eeaf2413e5fce4d797c3ce3ddb2
01 R e5f3e58c01eaf1c2e83f84bb79e938c38ba16513ac99b68bb0ecd0c9d49e6fc2
02 L dc8ec4da3759fff1aea54355240c4807bfcd6d433d7d07ac5aa35b94c8df2a9d
03 L f061aa8c4762858b87ce254b8de18953cb4adca8258757085b0155d9202f86d3
04 R cb8d63a3c59968d17a4fb2133e6b4a64a939ddd8def2f0d6f922519063702e06
05 R f5254004943cedcce766b306ae922060f0ea10b6e5b74ee065908796d43138df
06 L 3bf7b3cc72a735e72bc734a607c27d09fe2b0d2538d7303c1e783b52807e0e78
07 L 4a5c5f86d611ec6b143b6431677b2c30bddc4bffe761d125afb26dfac887e5e5
root dd6f9b50c3cbb399900d750bdd0b46d0d22f63aae313be46d0fa18430103da2e