Pith Number

pith:4ISGWPZQ

pith:2021:4ISGWPZQJR57GJU4ZCX6TLFDHK

not attested not anchored not stored refs pending

SocialNLP EmotionGIF 2020 Challenge Overview: Predicting Reaction GIF Categories on Social Media

Boaz Shmueli, Lun-Wei Ku, Soumya Ray

arxiv:2102.12073 v1 · 2021-02-24 · 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{4ISGWPZQJR57GJU4ZCX6TLFDHK}

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	2026-07-05T02:18:08.738081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2246b3f304c7bf3269cc8afe9aca33aa63f7ea52a29ebf4f29d120ba87d6a96

Aliases

arxiv: 2102.12073 · arxiv_version: 2102.12073v1 · doi: 10.48550/arxiv.2102.12073 · pith_short_12: 4ISGWPZQJR57 · pith_short_16: 4ISGWPZQJR57GJU4 · pith_short_8: 4ISGWPZQ

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/4ISGWPZQJR57GJU4ZCX6TLFDHK \
  | 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: e2246b3f304c7bf3269cc8afe9aca33aa63f7ea52a29ebf4f29d120ba87d6a96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89dd764043a674c7dad2a20f6ea5fc3c008d752572a1964e6d301fce8afbb920",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-02-24T05:22:10Z",
    "title_canon_sha256": "15f633e2951f1ff215aef21295ae148d1543149a5d0d2b567acc1f79affdb7d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.12073",
    "kind": "arxiv",
    "version": 1
  }
}