Pith Number

pith:QFI42BCP

pith:2023:QFI42BCPYQMM4427T7JDT5ECGP

not attested not anchored not stored refs pending

What Is Missing in IRM Training and Evaluation? Challenges and Solutions

Kush Varshney, Mingyi Hong, Parikshit Ram, Pranay Sharma, Sijia Liu, Yihua Zhang

arxiv:2303.02343 v1 · 2023-03-04 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QFI42BCPYQMM4427T7JDT5ECGP}

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.

Cited by

1 paper in Pith

Robust Invariant Representation Learning by Distribution Extrapolation

Receipt and verification

First computed	2026-07-05T05:48:10.000385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8151cd044fc418ce735f9fd239f48233e70e76be19d737082d88e4bd2d5894c3

Aliases

arxiv: 2303.02343 · arxiv_version: 2303.02343v1 · doi: 10.48550/arxiv.2303.02343 · pith_short_12: QFI42BCPYQMM · pith_short_16: QFI42BCPYQMM4427 · pith_short_8: QFI42BCP

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/QFI42BCPYQMM4427T7JDT5ECGP \
  | 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: 8151cd044fc418ce735f9fd239f48233e70e76be19d737082d88e4bd2d5894c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f75e8b192ba53836dd0f578cb850b01d2c97dd08b961e581511cd499b53ba9aa",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-03-04T07:06:24Z",
    "title_canon_sha256": "fea082742fa84910d6cd281bf95aa5738f416dfa2fea15367f47a1e10ff7cb3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.02343",
    "kind": "arxiv",
    "version": 1
  }
}