Pith Number

pith:4L363TYI

pith:2021:4L363TYINVTP6WSBP32ALEPOS6

not attested not anchored not stored refs pending

Regularizing towards Causal Invariance: Linear Models with Proxies

David Sontag, Jonas Peters, Michael Oberst, Nikolaj Thams

arxiv:2103.02477 v2 · 2021-03-03 · cs.LG · 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{4L363TYINVTP6WSBP32ALEPOS6}

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	2026-07-05T02:52:42.342300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2f7edcf086d66ff5a417ef40591ee97b44d33c1e8b74adbffb4f5849d370d96

Aliases

arxiv: 2103.02477 · arxiv_version: 2103.02477v2 · doi: 10.48550/arxiv.2103.02477 · pith_short_12: 4L363TYINVTP · pith_short_16: 4L363TYINVTP6WSB · pith_short_8: 4L363TYI

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/4L363TYINVTP6WSBP32ALEPOS6 \
  | 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: e2f7edcf086d66ff5a417ef40591ee97b44d33c1e8b74adbffb4f5849d370d96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00e444f5b2328a25559c704f12faf807a0ece1d4d1fb74c6f6b8716cec2deba6",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-03-03T15:39:35Z",
    "title_canon_sha256": "2e49c32e36d1902057b55a7c913ebf2c6a10289f758ab9a0f1028fe9321178c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.02477",
    "kind": "arxiv",
    "version": 2
  }
}