Pith Number

pith:C2FSMXWJ

pith:2017:C2FSMXWJJN3QLF77TBRK2WXVND

not attested not anchored not stored refs pending

Single Classifier-based Passive System for Source Printer Classification using Local Texture Features

Nitin Khanna, Sharad Joshi

arxiv:1706.07422 v1 · 2017-06-22 · cs.MM · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2FSMXWJJN3QLF77TBRK2WXVND}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:42:59.179171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

168b265ec94b770597ff9862ad5af568feed106bdb95200771392ff59c9c164f

Aliases

arxiv: 1706.07422 · arxiv_version: 1706.07422v1 · doi: 10.48550/arxiv.1706.07422 · pith_short_12: C2FSMXWJJN3Q · pith_short_16: C2FSMXWJJN3QLF77 · pith_short_8: C2FSMXWJ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/C2FSMXWJJN3QLF77TBRK2WXVND \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 168b265ec94b770597ff9862ad5af568feed106bdb95200771392ff59c9c164f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79753e1bbf07ae8f2449077c731d9bdb9cc97e2bd24c3e2d1170ae505a6d4b6f",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2017-06-22T17:53:57Z",
    "title_canon_sha256": "739a25af2b4b6b566bbd0459044c84249e2171e73e108f8783bf84eba4cdbb05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07422",
    "kind": "arxiv",
    "version": 1
  }
}