Pith Number

pith:6Z33UIJN

pith:2022:6Z33UIJNN6VY6JMPAMQJFTD7JD

not attested not anchored not stored refs pending

Certifying Out-of-Domain Generalization for Blackbox Functions

Bo Li, Boxin Wang, Ce Zhang, Linyi Li, Maurice Weber, Zhikuan Zhao

arxiv:2202.01679 v2 · 2022-02-03 · 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{6Z33UIJNN6VY6JMPAMQJFTD7JD}

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	2026-07-05T04:44:42.188702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f677ba212d6fab8f258f032092cc7f48e4481861ab1ad5f2e5bed943cd6fef7a

Aliases

arxiv: 2202.01679 · arxiv_version: 2202.01679v2 · doi: 10.48550/arxiv.2202.01679 · pith_short_12: 6Z33UIJNN6VY · pith_short_16: 6Z33UIJNN6VY6JMP · pith_short_8: 6Z33UIJN

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/6Z33UIJNN6VY6JMPAMQJFTD7JD \
  | 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: f677ba212d6fab8f258f032092cc7f48e4481861ab1ad5f2e5bed943cd6fef7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a8ad362dbd5b1a988b22b5bc3223ec231e831bc0df7cc926e4a2290e797f991",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-02-03T16:47:50Z",
    "title_canon_sha256": "68e5557bbcd5a89206ccdc337de0af60f6a8d50f4ef99728b0727411fcc4d91b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.01679",
    "kind": "arxiv",
    "version": 2
  }
}