Pith Number

pith:E5Z5RE5D

pith:2026:E5Z5RE5DSDWAH7RNUSPOWSSQUL

not attested not anchored not stored refs pending

The Galaxy's Guide to the Tokenizer: A Benchmark for Scientific Foundation Models

Bahram Mobasher, Gabriela Canalizo, Juan Rafael Mart\'inez-Galarza, Manuel P\'erez-Carrasco, Michael J. Smith, Sogol Sanjaripour

arxiv:2606.25610 v1 · 2026-06-24 · astro-ph.IM · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E5Z5RE5DSDWAH7RNUSPOWSSQUL}

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	2026-06-25T01:18:10.373502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2773d893a390ec03fe2da49eeb4a50a2d839a835b34b18d1d1805f54f0bfb541

Aliases

arxiv: 2606.25610 · arxiv_version: 2606.25610v1 · doi: 10.48550/arxiv.2606.25610 · pith_short_12: E5Z5RE5DSDWA · pith_short_16: E5Z5RE5DSDWAH7RN · pith_short_8: E5Z5RE5D

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/E5Z5RE5DSDWAH7RNUSPOWSSQUL \
  | 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: 2773d893a390ec03fe2da49eeb4a50a2d839a835b34b18d1d1805f54f0bfb541

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3fa43c3e1f31df4a6376485c4f7cb7fb3477cadf3b3c7fd0f7fb0c377314b6a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-06-24T09:17:17Z",
    "title_canon_sha256": "5c466f56e62d61db0804701dc831fb2e36870c5dc089302471d8cfb5b31f94c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25610",
    "kind": "arxiv",
    "version": 1
  }
}