Pith Number

pith:JFKXQSZ3

pith:2026:JFKXQSZ367US6YYH3HBSFQVP6U

not attested not anchored not stored refs pending

Where Do Models Find Happiness? Emotion Vectors in Open-Source LLMs

Mennatallah El-Assady, Rapha\"el Baur, Sinie van der Ben, Yannick Metz

arxiv:2606.26987 v1 · 2026-06-25 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JFKXQSZ367US6YYH3HBSFQVP6U}

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	2026-06-26T01:16:06.025608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4955784b3bf7e92f6307d9c322c2aff51bfdd4e3814ec101b211786ac1ad4f00

Aliases

arxiv: 2606.26987 · arxiv_version: 2606.26987v1 · doi: 10.48550/arxiv.2606.26987 · pith_short_12: JFKXQSZ367US · pith_short_16: JFKXQSZ367US6YYH · pith_short_8: JFKXQSZ3

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/JFKXQSZ367US6YYH3HBSFQVP6U \
  | 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: 4955784b3bf7e92f6307d9c322c2aff51bfdd4e3814ec101b211786ac1ad4f00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f56e37471bf998f1a584e9ad0034a20796b53b53cbe11b72350ceed37046eac8",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-25T13:01:11Z",
    "title_canon_sha256": "0218f1c9de04740cf5242debbad4cdf25c83049394ed6ff1e99e87c8ca50bd9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26987",
    "kind": "arxiv",
    "version": 1
  }
}