Pith Number

pith:U3D4Z42H

pith:2025:U3D4Z42HG3NPT3GW6AXKJGNAD7

not attested not anchored not stored refs pending

SmilesT5: Domain-specific pretraining for molecular language models

Anne Osbourn, Brooks Paige, Philip Spence

arxiv:2507.22514 v1 · 2025-07-30 · 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{U3D4Z42HG3NPT3GW6AXKJGNAD7}

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	2026-07-05T11:45:43.677070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6c7ccf34736daf9ecd6f02ea499a01fc8f2a7d0804c540ea75addea9e3f13ad

Aliases

arxiv: 2507.22514 · arxiv_version: 2507.22514v1 · doi: 10.48550/arxiv.2507.22514 · pith_short_12: U3D4Z42HG3NP · pith_short_16: U3D4Z42HG3NPT3GW · pith_short_8: U3D4Z42H

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/U3D4Z42HG3NPT3GW6AXKJGNAD7 \
  | 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: a6c7ccf34736daf9ecd6f02ea499a01fc8f2a7d0804c540ea75addea9e3f13ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb18e9f5b428bc642c9cc43c4014047300d7f7ac02261114da48d0805f933b54",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-07-30T09:36:18Z",
    "title_canon_sha256": "3958e71f7e1fe1490eefee2345ed58f378068f8efc25f4790160bdfb60702cdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.22514",
    "kind": "arxiv",
    "version": 1
  }
}