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 VIII Award a ₱1.5M contract to COMPUSPEC SALES & SERVICESNational agencies

Transaction hash:

513faabd21fbc1d22dea31497b2a828f62da40e1ef1571c43180abd405168e33

Status:

Included and unchanged

Block:

#3,979 2,034 blocks after it

Position in block:

Transaction 6 of 25

Award day:

Dec 28, 2019 (6 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VIII

To:

COMPUSPEC SALES & SERVICES

Value:

₱1,500,000.00

Project:

Purchase/delivery and installation of collapsible/

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VIII

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 #3,979 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 VIII awarded it to COMPUSPEC SALES & SERVICES on 2019-12-28.
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 513faabd21…168e33now …
2. Block Merkle root changed
stored af6f3cb402…d45b45now …
3. Block #3979 hash changed
stored 0925ee41c7…44902fnow …

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

leaf 513faabd21fbc1d22dea31497b2a828f62da40e1ef1571c43180abd405168e33
01 R 529b2dd5631221a769310e3a3ab0249b7f6fcf98b607bc2e1202e558f3f56b36
02 L 57077cf7ce94d647daecbe41722499d0bdd9f473d96dbe1ebc3605f3bb0c4995
03 L ac3525deacabce7e8fb8dc6b724c0fc20227e7244b021f99adbb64c2bc533a79
04 R 57821231e56f847981f173696ace28c6e0a4cba7b05e925b4a16dfeb3e0f04ce
05 R e8b4b18b5839bff26649de6e31f971becda477fd624bd4f5ff399b6e47b90855
root af6f3cb402e161b2c43b2e10e9ac1cae1c15389be38c4b038c77ea085fd45b45