Pith Number

pith:WYTLD6Z6

pith:2026:WYTLD6Z6FSC6EQSKRYXA6EGNEY

not attested not anchored not stored refs pending

On the Learnability of Test-Time Adaptation: A Recovery Complexity Perspective

Kun-Yang Yu, Lan-Zhe Guo, Ming Yang, Shi-Yu Tian, Yu-Feng Li, Zhi Zhou

arxiv:2605.28057 v1 · 2026-05-27 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WYTLD6Z6FSC6EQSKRYXA6EGNEY}

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	2026-05-28T01:04:57.300548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b626b1fb3e2c85e2424a8e2e0f10cd262ca13e761a9bd8d04d1f48ef58059cb8

Aliases

arxiv: 2605.28057 · arxiv_version: 2605.28057v1 · doi: 10.48550/arxiv.2605.28057 · pith_short_12: WYTLD6Z6FSC6 · pith_short_16: WYTLD6Z6FSC6EQSK · pith_short_8: WYTLD6Z6

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/WYTLD6Z6FSC6EQSKRYXA6EGNEY \
  | 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: b626b1fb3e2c85e2424a8e2e0f10cd262ca13e761a9bd8d04d1f48ef58059cb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6358ba3990c34637bf20524a5ede00ff4b52f9d8f02ec468e91d96bf23e83c81",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-27T07:04:23Z",
    "title_canon_sha256": "1b3151bbb95a85e73bbea025b5f01bab806b80956b3d09769b3bcfdf20f6bda6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28057",
    "kind": "arxiv",
    "version": 1
  }
}