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 - CATANDUANES ED Award a ₱9.6M contract to VIRAC NRC CONSTRUCTIONNational agencies

Transaction hash:

90c2aa82a7edae2bc7faf0d2e5978744cbca0e04f601c518e1f426da793a14b2

Status:

Included and unchanged

Block:

#1,079 4,934 blocks after it

Position in block:

Transaction 22 of 36

Award day:

Feb 22, 2011 (15 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CATANDUANES ED

To:

VIRAC NRC CONSTRUCTION

Value:

₱9,594,107.25

Project:

REHABILITATION/ROAD OPENING OF SAN ANTONIO ST. BARANGAY CABUGAO, BATO, CATANDUANES

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CATANDUANES 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 #1,079 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 - CATANDUANES ED awarded it to VIRAC NRC CONSTRUCTION on 2011-02-22.
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 90c2aa82a7…3a14b2now …
2. Block Merkle root changed
stored 8eee9620d5…c75e03now …
3. Block #1079 hash changed
stored ef351cb77c…c42eacnow …

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 90c2aa82a7edae2bc7faf0d2e5978744cbca0e04f601c518e1f426da793a14b2
01 R 9695e7b0e9fa285994392e4e3a0fb09a2037c32e7ad40175b783d6e672b8a991
02 L 6925a8695348a276a707f62034d6255f6e8d61f4843eae084fdc0a80606b1543
03 L 37d800a6b18703d25089042f3bbbd8d96168df65b17cde9895b3b09c407dd257
04 R 5e681d67d69103a63537f48c12959093f039c60200625727c4494fd01becbad5
05 L 1fd16802ced5d0044dbb420328b2b7533bbf8789985279c6821b84f54b7e1cbb
06 R 6542640b4ec1dd7403a964cc26eaf71bead63da0e0399bf11c1d283d574174f8
root 8eee9620d547904015f1cffe7e50b9c2863cb5662a0e34f3a76eae022ec75e03