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 - QUEZON 4TH ED Award a ₱949.6K contract to WHEEBON CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

04b3166ea4ad9a5a7bb1df3e8b90a5e268e191e77cd37fe82bead0ed28e81f91

Status:

Included and unchanged

Block:

#1,432 4,581 blocks after it

Position in block:

Transaction 0 of 60

Award day:

Apr 18, 2012 (14 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 4TH ED

To:

WHEEBON CONSTRUCTION & SUPPLY

Value:

₱949,625.43

Project:

Concreting of critical section/portion of Farm-to-Market Roads in Quezon, Kalibo-Pandanan-Salvacion, Calauag, Quezon

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 4TH ED

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 #1,432 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 - QUEZON 4TH ED awarded it to WHEEBON CONSTRUCTION & SUPPLY on 2012-04-18.
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 04b3166ea4…e81f91now …
2. Block Merkle root changed
stored 951bc4ccce…13ae75now …
3. Block #1432 hash changed
stored 21f9df5dd8…93f734now …

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

leaf 04b3166ea4ad9a5a7bb1df3e8b90a5e268e191e77cd37fe82bead0ed28e81f91
01 R 079e54259013df4baf45fa6536d1747196e66dbec9d9b174b28270e42569c3b1
02 R b6d1f5a917b8ea4694c2b9e95b9539ee45be12625f39c36d4ac0110b0017a53b
03 R 8cba2f517d21b950c89532319ef0ab00c3dbf75ad942c092fa2911d06681f3fa
04 R 5db6040371bd2fb98dce9ba0c138bbdac49c4f72e08bd4912d07a92fadc2c5c2
05 R d79f106985674e47f116659c5e1beae2bed02acd0210f9c6d2ac874e1638581e
06 R 1e41dc762bcc222911de016e2d46ebc457432db8a8452c3b048396c9c53533e1
root 951bc4ccce9975e76df9090a26bfd6d08e857de516830975758a937cd113ae75