Pith Number

pith:7SVZT6I7

pith:2018:7SVZT6I7NMFN7GAYHUUUNWARZQ

not attested not anchored not stored refs pending

Natural Option Critic

Philip S. Thomas, Saket Tiwari

arxiv:1812.01488 v1 · 2018-12-04 · cs.LG · cs.AI · 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{7SVZT6I7NMFN7GAYHUUUNWARZQ}

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	2026-05-17T23:59:12.335063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcab99f91f6b0adf98183d2946d811cc0c4cfa03d118b73fcdfa1a014219139e

Aliases

arxiv: 1812.01488 · arxiv_version: 1812.01488v1 · doi: 10.48550/arxiv.1812.01488 · pith_short_12: 7SVZT6I7NMFN · pith_short_16: 7SVZT6I7NMFN7GAY · pith_short_8: 7SVZT6I7

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/7SVZT6I7NMFN7GAYHUUUNWARZQ \
  | 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: fcab99f91f6b0adf98183d2946d811cc0c4cfa03d118b73fcdfa1a014219139e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffa0241c727cda61d3a5263a7fc36b0ec3ec6a6292402abd378de3c234c3b56d",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-12-04T15:33:26Z",
    "title_canon_sha256": "217aef5f7b16ec8c9fd6b36a9cbbca8276f570047d6ebb9921e9638622efa386"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01488",
    "kind": "arxiv",
    "version": 1
  }
}