Pith Number

pith:EPWIIK2W

pith:2025:EPWIIK2WIPX6NFEFGNJWI7DD7B

not attested not anchored not stored refs pending

Towards Understanding Extrapolation: a Causal Lens

Eric P. Xing, Guangyi Chen, Haoxuan Li, Kun Zhang, Lingjing Kong, Petar Stojanov

arxiv:2501.09163 v1 · 2025-01-15 · cs.LG · cs.AI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EPWIIK2WIPX6NFEFGNJWI7DD7B}

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	2026-07-05T10:01:42.847327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23ec842b5643efe694853353647c63f86c34cb062f5cde8a7798211e29259772

Aliases

arxiv: 2501.09163 · arxiv_version: 2501.09163v1 · doi: 10.48550/arxiv.2501.09163 · pith_short_12: EPWIIK2WIPX6 · pith_short_16: EPWIIK2WIPX6NFEF · pith_short_8: EPWIIK2W

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/EPWIIK2WIPX6NFEFGNJWI7DD7B \
  | 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: 23ec842b5643efe694853353647c63f86c34cb062f5cde8a7798211e29259772

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21b462ba1050907a022d2897a2336ccf567cffad48f414b6781712cd4894e714",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-01-15T21:29:29Z",
    "title_canon_sha256": "e33a2ecdb2e936646cfeae61b28892bc49d10e70eb8ed9c049638e41d7e66879"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.09163",
    "kind": "arxiv",
    "version": 1
  }
}