Pith Number

pith:K5RDLY45

pith:2026:K5RDLY45XQP24H54VQ7TYAMERT

not attested not anchored not stored refs pending

Language Game: Talking to Non-Human Systems

Michael Levin, Yanbo Zhang

arxiv:2605.16321 v1 · 2026-05-05 · 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{K5RDLY45XQP24H54VQ7TYAMERT}

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	2026-05-20T00:02:16.818664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

576235e39dbc1fae1fbcac3f3c01848cefed75bdad1acd2309d02b057dbbb311

Aliases

arxiv: 2605.16321 · arxiv_version: 2605.16321v1 · doi: 10.48550/arxiv.2605.16321 · pith_short_12: K5RDLY45XQP2 · pith_short_16: K5RDLY45XQP24H54 · pith_short_8: K5RDLY45

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/K5RDLY45XQP24H54VQ7TYAMERT \
  | 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: 576235e39dbc1fae1fbcac3f3c01848cefed75bdad1acd2309d02b057dbbb311

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f89270b5e527d1e8654ec19e7b430bc9f4da61942bf37293632c12c4718ff1b8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-05T01:46:15Z",
    "title_canon_sha256": "02c8b7d950d572b857f3b401ed73cb24ecf3e9abd9f3fb5baac5074b8e28078b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.16321",
    "kind": "arxiv",
    "version": 1
  }
}