Pith Number

pith:SUG6MCJZ

pith:2019:SUG6MCJZCMOCKARURESN6THZXY

not attested not anchored not stored refs pending

Introspection Learning

Chris R. Serrano, Michael A. Warren

arxiv:1902.10754 v1 · 2019-02-27 · 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{SUG6MCJZCMOCKARURESN6THZXY}

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	2026-05-17T23:52:29.794408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

950de60939131c2502348924df4cf9be2563a3e39d6aa54753cbd6d5682de522

Aliases

arxiv: 1902.10754 · arxiv_version: 1902.10754v1 · doi: 10.48550/arxiv.1902.10754 · pith_short_12: SUG6MCJZCMOC · pith_short_16: SUG6MCJZCMOCKARU · pith_short_8: SUG6MCJZ

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/SUG6MCJZCMOCKARURESN6THZXY \
  | 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: 950de60939131c2502348924df4cf9be2563a3e39d6aa54753cbd6d5682de522

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f1188812472570b21cef280f68e23bf7aba66bfdcab9c6f35b1bcd39393a585",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-02-27T19:53:01Z",
    "title_canon_sha256": "c9a52779d7a4db35ca049fae0573be43e11070a6c4384fe88bf9d6e298ccf65f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10754",
    "kind": "arxiv",
    "version": 1
  }
}