Pith Number

pith:KOF7WPFM

pith:2017:KOF7WPFM3GXPXG6DU6RVU5JWWR

not attested not anchored not stored refs pending

Are Emojis Predictable?

Francesco Barbieri, Horacio Saggion, Miguel Ballesteros

arxiv:1702.07285 v2 · 2017-02-23 · 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{KOF7WPFM3GXPXG6DU6RVU5JWWR}

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	2026-05-18T00:50:03.602275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

538bfb3cacd9aefb9bc3a7a35a7536b4616f62674267b74e8f208cc81cfb280c

Aliases

arxiv: 1702.07285 · arxiv_version: 1702.07285v2 · doi: 10.48550/arxiv.1702.07285 · pith_short_12: KOF7WPFM3GXP · pith_short_16: KOF7WPFM3GXPXG6D · pith_short_8: KOF7WPFM

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/KOF7WPFM3GXPXG6DU6RVU5JWWR \
  | 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: 538bfb3cacd9aefb9bc3a7a35a7536b4616f62674267b74e8f208cc81cfb280c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9968168f42bb7f94191def44202933e366a8099a7858295c92901ea2144f454f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-02-23T16:47:01Z",
    "title_canon_sha256": "0bc91d503beda7fc4acd8e75f1ae20e107740842c63d470fa507f081e2eda973"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07285",
    "kind": "arxiv",
    "version": 2
  }
}