Pith Number

pith:4XHACSXG

pith:2015:4XHACSXG7Z3XIIPBQZV3NSFROD

not attested not anchored not stored refs pending

Invariant Models for Causal Transfer Learning

Bernhard Sch\"olkopf, Jonas Peters, Mateo Rojas-Carulla, Richard Turner

arxiv:1507.05333 v4 · 2015-07-19 · 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{4XHACSXG7Z3XIIPBQZV3NSFROD}

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	2026-05-18T00:05:08.138783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5ce014ae6fe777421e1866bb6c8b170c217d1d2991d3b1d4ce0c27a84933f89

Aliases

arxiv: 1507.05333 · arxiv_version: 1507.05333v4 · doi: 10.48550/arxiv.1507.05333 · pith_short_12: 4XHACSXG7Z3X · pith_short_16: 4XHACSXG7Z3XIIPB · pith_short_8: 4XHACSXG

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/4XHACSXG7Z3XIIPBQZV3NSFROD \
  | 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: e5ce014ae6fe777421e1866bb6c8b170c217d1d2991d3b1d4ce0c27a84933f89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9397c950730ec796ba7cb39397396e06a4f24f2676855c1bc09187571c432f0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-07-19T20:36:10Z",
    "title_canon_sha256": "5d700b9059980b393f3e392a13e795b88258b5041b815a1acf74f949dd47a000"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05333",
    "kind": "arxiv",
    "version": 4
  }
}