Pith Number

pith:6TTSJFX3

pith:2018:6TTSJFX3KXXJEHPNQNKSF75P55

not attested not anchored not stored refs pending

Hierarchical Classification using Binary Data

Deanna Needell, Denali Molitor

arxiv:1807.08825 v1 · 2018-07-23 · 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{6TTSJFX3KXXJEHPNQNKSF75P55}

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	2026-05-18T00:09:57.718540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4e72496fb55ee921ded835522ffafef73f8d514a6c794b174abe9f7b401c90b

Aliases

arxiv: 1807.08825 · arxiv_version: 1807.08825v1 · doi: 10.48550/arxiv.1807.08825 · pith_short_12: 6TTSJFX3KXXJ · pith_short_16: 6TTSJFX3KXXJEHPN · pith_short_8: 6TTSJFX3

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/6TTSJFX3KXXJEHPNQNKSF75P55 \
  | 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: f4e72496fb55ee921ded835522ffafef73f8d514a6c794b174abe9f7b401c90b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47254d837a52463fe2268eeec7792e1948fe713bd05bbb76d113ff732a42ff9a",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-07-23T20:55:31Z",
    "title_canon_sha256": "80539d77893c63a8f6712c67f33206eae8db00c76571d974281b71694b0f4e7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08825",
    "kind": "arxiv",
    "version": 1
  }
}