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 ₱989.1K contract to WBX CONSTRUCTIONNational agencies

Transaction hash:

a7dbfb0d6d7fb951007fab3ea1cac5dac81e09ffbad9eee63bd151f82b1b255d

Status:

Included and unchanged

Block:

#796 5,217 blocks after it

Position in block:

Transaction 28 of 36

Award day:

Feb 10, 2010 (16 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

WBX CONSTRUCTION

Value:

₱989,100.00

Project:

Concreting of roads Lumangbayan, Plaridel, 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 #796 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 WBX CONSTRUCTION on 2010-02-10.
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 a7dbfb0d6d…1b255dnow …
2. Block Merkle root changed
stored 169f1cf4ba…ca99canow …
3. Block #796 hash changed
stored 8917142642…e88e2fnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 35 records. Each step hashes the current value together with the sibling shown.

leaf a7dbfb0d6d7fb951007fab3ea1cac5dac81e09ffbad9eee63bd151f82b1b255d
01 R b75db7e02398ec440185fe0f2f6b63e84bb00cecd060d841ba2de118c0c72759
02 R 00019618b345ef177469efe65adbc885e7f5fd87af18b69eb1a2c8ddc5edc3df
03 L 645eef132c54b6ed9a620b447330832764b4444de5540f02176ba64dff76fea1
04 L 5323641b8a16bce82347692622187a337e5d7dbd9714fc3062c54c0f1057df36
05 L 239e98f8bff3ed2f74a4efd75d6ec0301bb5cc87aeee042b3c4543cf3420ac63
06 R 26a2c16f4df3a3ffe2fe93d22dfe13e1758792de17cbe7f274356917fcb20ccc
root 169f1cf4ba6747ad8f8f9a294abfc41e6e2ddb4e4fea88ec58bddc434aca99ca