Pith Number

pith:A3SNGKK7

pith:2025:A3SNGKK7HTMDTL63TJEWXTAYUE

not attested not anchored not stored refs pending

Learning from Limited and Imperfect Data

Harsh Rangwani

arxiv:2507.21205 v1 · 2025-07-28 · cs.LG · cs.AI · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A3SNGKK7HTMDTL63TJEWXTAYUE}

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	2026-07-05T11:44:54.457697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06e4d3295f3cd839afdb9a496bcc18a12a6a1749961e8c0a068b21079b0b73dd

Aliases

arxiv: 2507.21205 · arxiv_version: 2507.21205v1 · doi: 10.48550/arxiv.2507.21205 · pith_short_12: A3SNGKK7HTMD · pith_short_16: A3SNGKK7HTMDTL63 · pith_short_8: A3SNGKK7

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/A3SNGKK7HTMDTL63TJEWXTAYUE \
  | 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: 06e4d3295f3cd839afdb9a496bcc18a12a6a1749961e8c0a068b21079b0b73dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b89400aa1b12ba6be83d08f30be029d68736f11dca9b2e3a285f8d4403330de3",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-07-28T17:54:15Z",
    "title_canon_sha256": "06cd10b12a14b3ad439e77007e78a09e232420e0e77b06153fef2832fe7f1d73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.21205",
    "kind": "arxiv",
    "version": 1
  }
}