Pith Number

pith:CR3FIJIS

pith:2020:CR3FIJISUIVV6A6MDPY4C634R5

not attested not anchored not stored refs pending

An Empirical Study of Invariant Risk Minimization

Jiyeon Ham, Kyubyong Park, Yo Joong Choe

arxiv:2004.05007 v2 · 2020-04-10 · stat.ML · 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{CR3FIJISUIVV6A6MDPY4C634R5}

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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.

Cited by

2 papers in Pith

Towards Context-Invariant Safety Alignment for Large Language Models

PEPR: Privileged Event-based Predictive Regularization for Domain Generalization

Receipt and verification

First computed	2026-07-05T01:16:14.484417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1476542512a22b5f03cc1bf1c17b7c8f77d1b6fa93e754652a0655b40b2f3cde

Aliases

arxiv: 2004.05007 · arxiv_version: 2004.05007v2 · doi: 10.48550/arxiv.2004.05007 · pith_short_12: CR3FIJISUIVV · pith_short_16: CR3FIJISUIVV6A6M · pith_short_8: CR3FIJIS

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/CR3FIJISUIVV6A6MDPY4C634R5 \
  | 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: 1476542512a22b5f03cc1bf1c17b7c8f77d1b6fa93e754652a0655b40b2f3cde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c592aba3d61f52320d96c4e884c6cb3547ed8c44c916374329be1774da951ca3",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2020-04-10T12:23:29Z",
    "title_canon_sha256": "f6d9305bbfb45c699b2c1afb401a9bee7ebbdd8332e06f2d1dcdcca199ec7125"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.05007",
    "kind": "arxiv",
    "version": 2
  }
}