Pith Number

pith:BAIOG2BR

pith:2020:BAIOG2BR6ZIQP4TLA7MCIFTIOS

not attested not anchored not stored refs pending

Classification and Clustering of arXiv Documents, Sections, and Abstracts, Comparing Encodings of Natural and Mathematical Language

Abdou Youssef, Bela Gipp, Felix Hamborg, Moritz Schubotz, Norman Meuschke, Philipp Scharpf

arxiv:2005.11021 v1 · 2020-05-22 · cs.DL · cs.CL · cs.IR · 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{BAIOG2BR6ZIQP4TLA7MCIFTIOS}

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	2026-07-05T01:05:04.578694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0810e36831f65107f26b07d824166874ab2a48f1c3909c58434b1c90398ca4d1

Aliases

arxiv: 2005.11021 · arxiv_version: 2005.11021v1 · doi: 10.48550/arxiv.2005.11021 · pith_short_12: BAIOG2BR6ZIQ · pith_short_16: BAIOG2BR6ZIQP4TL · pith_short_8: BAIOG2BR

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/BAIOG2BR6ZIQP4TLA7MCIFTIOS \
  | 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: 0810e36831f65107f26b07d824166874ab2a48f1c3909c58434b1c90398ca4d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a98ef0d1d50dec77eefe52db80fcbd84c17795b64cd3d8e13b7ab97515efe55b",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2020-05-22T06:16:32Z",
    "title_canon_sha256": "29f79c5c5083264733a2e5ab205305b75004948398bbad4ec3c7b2de8efd7aa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.11021",
    "kind": "arxiv",
    "version": 1
  }
}