Pith Number

pith:U7SXCBA4

pith:2025:U7SXCBA4Y26GMBABEMZNJAKZBC

not attested not anchored not stored refs pending

New Evidence of the Two-Phase Learning Dynamics of Neural Networks

Junchi Yan, Mahito Sugiyama, Yongyi Yang, Zhanpeng Zhou

arxiv:2505.13900 v1 · 2025-05-20 · 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{U7SXCBA4Y26GMBABEMZNJAKZBC}

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	2026-07-05T11:05:52.625588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7e571041cc6bc6604012332d4815908bf18c89b6f42bc0108cda9a1730a2852

Aliases

arxiv: 2505.13900 · arxiv_version: 2505.13900v1 · doi: 10.48550/arxiv.2505.13900 · pith_short_12: U7SXCBA4Y26G · pith_short_16: U7SXCBA4Y26GMBAB · pith_short_8: U7SXCBA4

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/U7SXCBA4Y26GMBABEMZNJAKZBC \
  | 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: a7e571041cc6bc6604012332d4815908bf18c89b6f42bc0108cda9a1730a2852

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a707e103449b6654e3867edc5af0b65a9ad22a5033bb763ac742b7bb239c1527",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-20T04:03:52Z",
    "title_canon_sha256": "5b85ccd2e740fbb0881961445bbb05a2a9a6166802cc14fc813f60c926f1e70a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.13900",
    "kind": "arxiv",
    "version": 1
  }
}