Pith Number

pith:ULFZEURC

pith:2021:ULFZEURCSLW4QHLLWTHTZ2G2K6

not attested not anchored not stored refs pending

Width Transfer: On the (In)variance of Width Optimization

Ari S. Morcos, Diana Marculescu, Ting-Wu Chin

arxiv:2104.13255 v1 · 2021-04-24 · cs.CV · 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{ULFZEURCSLW4QHLLWTHTZ2G2K6}

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	2026-07-05T02:35:46.932267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2cb92522292edc81d6bb4cf3ce8da5785b811321b67531253675a71335691bb

Aliases

arxiv: 2104.13255 · arxiv_version: 2104.13255v1 · doi: 10.48550/arxiv.2104.13255 · pith_short_12: ULFZEURCSLW4 · pith_short_16: ULFZEURCSLW4QHLL · pith_short_8: ULFZEURC

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/ULFZEURCSLW4QHLLWTHTZ2G2K6 \
  | 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: a2cb92522292edc81d6bb4cf3ce8da5785b811321b67531253675a71335691bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29d6e548b1d8688bfd6aab50ae2e005b103859a48ba2486e543d03737a883e96",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-24T19:51:53Z",
    "title_canon_sha256": "f44a767fe4158f3207422706c4dfad62dfed77fcef497b066d64895b06577ce5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.13255",
    "kind": "arxiv",
    "version": 1
  }
}