Pith Number

pith:J6TEHBSD

pith:2026:J6TEHBSDLXWRCMMBIJEZDNKBN5

not attested not anchored not stored refs pending

EmbeddedKittens: An Evaluation of Code Embeddings for Scratch

Benedikt Fein, Gordon Fraser

arxiv:2607.19291 v1 · 2026-07-21 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J6TEHBSDLXWRCMMBIJEZDNKBN5}

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	2026-07-22T01:24:18.540057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fa64386435ded113181424991b5416f46571c7d70c146973702187aaba4db0a

Aliases

arxiv: 2607.19291 · arxiv_version: 2607.19291v1 · doi: 10.48550/arxiv.2607.19291 · pith_short_12: J6TEHBSDLXWR · pith_short_16: J6TEHBSDLXWRCMMB · pith_short_8: J6TEHBSD

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/J6TEHBSDLXWRCMMBIJEZDNKBN5 \
  | 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: 4fa64386435ded113181424991b5416f46571c7d70c146973702187aaba4db0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cab4dc18c9f05afc87de276d6915d9147ab5deaca946597d2c72a2e80fe55bb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-07-21T17:02:08Z",
    "title_canon_sha256": "46c523e9cd240c7db64541f7259bba78cffac0d9c98bc0a2ac8ce674f8d0bfa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19291",
    "kind": "arxiv",
    "version": 1
  }
}