Pith Number

pith:7QFGY3UP

pith:2023:7QFGY3UPHZMBJQMIFLAS3QIUOM

not attested not anchored not stored refs pending

MultiAdam: Parameter-wise Scale-invariant Optimizer for Multiscale Training of Physics-informed Neural Networks

Chang Su, Hang Su, Jiachen Yao, Jun Zhu, Songming Liu, Zhongkai Hao

arxiv:2306.02816 v1 · 2023-06-05 · cs.LG · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QFGY3UPHZMBJQMIFLAS3QIUOM}

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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.

Receipt and verification

First computed	2026-07-05T06:17:31.728868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc0a6c6e8f3e5814c1882ac12dc1147306f703d0754874ad86220e06b43f1230

Aliases

arxiv: 2306.02816 · arxiv_version: 2306.02816v1 · doi: 10.48550/arxiv.2306.02816 · pith_short_12: 7QFGY3UPHZMB · pith_short_16: 7QFGY3UPHZMBJQMI · pith_short_8: 7QFGY3UP

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/7QFGY3UPHZMBJQMIFLAS3QIUOM \
  | 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: fc0a6c6e8f3e5814c1882ac12dc1147306f703d0754874ad86220e06b43f1230

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01a6d377700290b5a5a5cf1da84861f05d1c678776da35d11691ce44fa02df52",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-06-05T12:12:59Z",
    "title_canon_sha256": "63a1f3b4549ed03fb982c449e173086e6dde45e5e68139eaafdc5dae1330e44a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.02816",
    "kind": "arxiv",
    "version": 1
  }
}