Pith Number

pith:25FYT5LU

pith:2023:25FYT5LUFOAWVASWFYGAFV56S7

not attested not anchored not stored refs pending

Sophia: A Scalable Stochastic Second-order Optimizer for Language Model Pre-training

David Hall, Hong Liu, Percy Liang, Tengyu Ma, Zhiyuan Li

arxiv:2305.14342 v4 · 2023-05-23 · cs.LG · cs.CL · math.OC

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{25FYT5LUFOAWVASWFYGAFV56S7}

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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.

Cited by

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Receipt and verification

First computed	2026-07-05T07:52:09.875823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d74b89f5742b816a82562e0c02d7be97c67681df2cd2eb65ae0cfdd5427a179a

Aliases

arxiv: 2305.14342 · arxiv_version: 2305.14342v4 · doi: 10.48550/arxiv.2305.14342 · pith_short_12: 25FYT5LUFOAW · pith_short_16: 25FYT5LUFOAWVASW · pith_short_8: 25FYT5LU

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/25FYT5LUFOAWVASWFYGAFV56S7 \
  | 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: d74b89f5742b816a82562e0c02d7be97c67681df2cd2eb65ae0cfdd5427a179a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e38861e0c7ee14d28cdfb5ad1d0ab65e50b316d796b3741676369641014c8265",
    "cross_cats_sorted": [
      "cs.CL",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-05-23T17:59:21Z",
    "title_canon_sha256": "16bfd4c87e981757e2910c52ba9416938cbca2518d9c25375bc4bd78f52c7b32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.14342",
    "kind": "arxiv",
    "version": 4
  }
}