Pith Number

pith:BGIKAFKG

pith:2018:BGIKAFKGOKJT7LEGQZFNMDAJHO

not attested not anchored not stored refs pending

First Steps Toward CNN based Source Classification of Document Images Shared Over Messaging App

Nitin Khanna, Sharad Joshi, Suraj Saxena

arxiv:1808.05941 v1 · 2018-08-17 · 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{BGIKAFKGOKJT7LEGQZFNMDAJHO}

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	2026-05-17T23:43:17.652585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0990a0154672933fac86864ad60c093b915e88acc86d73dc44436ba9f4f1a433

Aliases

arxiv: 1808.05941 · arxiv_version: 1808.05941v1 · doi: 10.48550/arxiv.1808.05941 · pith_short_12: BGIKAFKGOKJT · pith_short_16: BGIKAFKGOKJT7LEG · pith_short_8: BGIKAFKG

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/BGIKAFKGOKJT7LEGQZFNMDAJHO \
  | 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: 0990a0154672933fac86864ad60c093b915e88acc86d73dc44436ba9f4f1a433

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ff7f154cf67297001f1851c0eb39d77e20dd93c502de54c119f2748476f26d5",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2018-08-17T17:49:39Z",
    "title_canon_sha256": "35ff4ae8ff0bab39d49c7bd6dc112434dd7333c8bff79eacb91a24402f066d43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05941",
    "kind": "arxiv",
    "version": 1
  }
}