Pith Number

pith:5KRPAFRN

pith:2021:5KRPAFRN4HGOGRQA6VYX4GHMSF

not attested not anchored not stored refs pending

Sentence Similarity Based on Contexts

Chun Fan, Fei Wu, Jiwei Li, Tianwei Zhang, Xiang Ao, Xiaofei Sun, Yuxian Meng

arxiv:2105.07623 v2 · 2021-05-17 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5KRPAFRN4HGOGRQA6VYX4GHMSF}

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	2026-07-05T03:52:28.343000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaa2f0162de1cce34600f5717e18ec91590ee670ef1154f975707b7e9d5003ac

Aliases

arxiv: 2105.07623 · arxiv_version: 2105.07623v2 · doi: 10.48550/arxiv.2105.07623 · pith_short_12: 5KRPAFRN4HGO · pith_short_16: 5KRPAFRN4HGOGRQA · pith_short_8: 5KRPAFRN

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/5KRPAFRN4HGOGRQA6VYX4GHMSF \
  | 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: eaa2f0162de1cce34600f5717e18ec91590ee670ef1154f975707b7e9d5003ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be9351c36b206cfac72e695bca5dfba9dccac9d27826ad4589710e7ec75ba152",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-05-17T06:03:56Z",
    "title_canon_sha256": "162125bd988c68ad30c4067acf498cca3c363c332b688e00fba0eda99cf17271"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.07623",
    "kind": "arxiv",
    "version": 2
  }
}