Pith Number

pith:A3TTUCGZ

pith:2021:A3TTUCGZQASIIFTKB33WRAZT5I

not attested not anchored not stored refs pending

A Novel Intrinsic Measure of Data Separability

Murray Loew, Shuyue Guan

arxiv:2109.05180 v1 · 2021-09-11 · cs.LG · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A3TTUCGZQASIIFTKB33WRAZT5I}

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	2026-07-05T03:13:35.930296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06e73a08d9802484166a0ef7688333ea17811054117f43c1d0a3fed9a96848e7

Aliases

arxiv: 2109.05180 · arxiv_version: 2109.05180v1 · doi: 10.48550/arxiv.2109.05180 · pith_short_12: A3TTUCGZQASI · pith_short_16: A3TTUCGZQASIIFTK · pith_short_8: A3TTUCGZ

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/A3TTUCGZQASIIFTKB33WRAZT5I \
  | 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: 06e73a08d9802484166a0ef7688333ea17811054117f43c1d0a3fed9a96848e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9315565d9a6fc8585228f9bfe7d712ebdf26f6dd7f2096d2647a80919fd0075",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-09-11T04:20:08Z",
    "title_canon_sha256": "b5ec97b9a1f55381cce41ff3ba942b0a81e41a2ec7bba4bf6e5f9b43d5fa9243"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.05180",
    "kind": "arxiv",
    "version": 1
  }
}