Pith Number

pith:55E2NWPC

pith:2022:55E2NWPC4ZTEJEYUSUXO326CYX

not attested not anchored not stored refs pending

TorchNTK: A Library for Calculation of Neural Tangent Kernels of PyTorch Models

Anand D. Sarwate, Andrew Engel, Sutanay Choudhury, Tony Chiang, Zhichao Wang

arxiv:2205.12372 v1 · 2022-05-24 · 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{55E2NWPC4ZTEJEYUSUXO326CYX}

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	2026-07-05T04:26:25.021771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef49a6d9e2e666449314952eedebc2c5e26d3413029ec1d06fb6951b7ecd13c5

Aliases

arxiv: 2205.12372 · arxiv_version: 2205.12372v1 · doi: 10.48550/arxiv.2205.12372 · pith_short_12: 55E2NWPC4ZTE · pith_short_16: 55E2NWPC4ZTEJEYU · pith_short_8: 55E2NWPC

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/55E2NWPC4ZTEJEYUSUXO326CYX \
  | 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: ef49a6d9e2e666449314952eedebc2c5e26d3413029ec1d06fb6951b7ecd13c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9231ae605c90596374efbb94a03f452604ec3944edaf8e5af77373853ba9e0ed",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-05-24T21:27:58Z",
    "title_canon_sha256": "823a311618f15e001c1933c4e1596c4396cf2e0e01d41a21d2ed01710c629d8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.12372",
    "kind": "arxiv",
    "version": 1
  }
}