Pith Number

pith:4W5BTPRH

pith:2021:4W5BTPRHCBTXAFKKRHLSLFOIBB

not attested not anchored not stored refs pending

Comparative Study of Long Document Classification

Apurva Wani, Geetanjali Kale, Isha Joshi, Raviraj Joshi, Snehal Khandve, Vedangi Wagh

arxiv:2111.00702 v1 · 2021-11-01 · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4W5BTPRHCBTXAFKKRHLSLFOIBB}

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	2026-07-05T03:58:18.970262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5ba19be27106770154a89d72595c8084414d920ca55d1d501ab84364ad26420

Aliases

arxiv: 2111.00702 · arxiv_version: 2111.00702v1 · doi: 10.48550/arxiv.2111.00702 · pith_short_12: 4W5BTPRHCBTX · pith_short_16: 4W5BTPRHCBTXAFKK · pith_short_8: 4W5BTPRH

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/4W5BTPRHCBTXAFKKRHLSLFOIBB \
  | 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: e5ba19be27106770154a89d72595c8084414d920ca55d1d501ab84364ad26420

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "683c277c31ada632977f278437a1c8852fe0b5b6bccc6ad15615da8b64c85c5f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-11-01T04:51:51Z",
    "title_canon_sha256": "fb82a2486c98ef92c60640ba19d477d5510a6c55d7b723c03bc1d373952c8f39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.00702",
    "kind": "arxiv",
    "version": 1
  }
}