Pith Number

pith:7H3RYRYL

pith:2025:7H3RYRYLXBV44NPSJKI57AVXLJ

not attested not anchored not stored refs pending

What do Large Language Models know about materials?

Adrian Ehrenhofer, Gianaurelio Cuniberti, Thomas Wallmersperger

arxiv:2507.14586 v1 · 2025-07-19 · physics.app-ph · cs.CE · 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{7H3RYRYLXBV44NPSJKI57AVXLJ}

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	2026-07-05T11:40:09.997121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9f71c470bb86bce35f24a91df82b75a62ea5fb41206c8ec2d709f6394a3dcfd

Aliases

arxiv: 2507.14586 · arxiv_version: 2507.14586v1 · doi: 10.48550/arxiv.2507.14586 · pith_short_12: 7H3RYRYLXBV4 · pith_short_16: 7H3RYRYLXBV44NPS · pith_short_8: 7H3RYRYL

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/7H3RYRYLXBV44NPSJKI57AVXLJ \
  | 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: f9f71c470bb86bce35f24a91df82b75a62ea5fb41206c8ec2d709f6394a3dcfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4edc185c7f3e9e39f44bc65d5442e06fce4b277ae928b4ef03e6b8542afe1ce",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2025-07-19T12:02:08Z",
    "title_canon_sha256": "1e13c7a448217d8c04474f967b970b0f09d1b7814ef92130207b7ba0e2b80eb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.14586",
    "kind": "arxiv",
    "version": 1
  }
}