Pith Number

pith:K5SRROVF

pith:2019:K5SRROVFGSFQDEJZKZKXEI5PIF

not attested not anchored not stored refs pending

On the Dimensionality of Embeddings for Sparse Features and Data

Maxim Naumov

arxiv:1901.02103 v1 · 2019-01-07 · cs.LG · cs.CV · cs.IT · math.IT · 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{K5SRROVFGSFQDEJZKZKXEI5PIF}

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	2026-05-17T23:56:43.997845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

576518baa5348b01913956557223af4164902629e53dd93d909994c158207986

Aliases

arxiv: 1901.02103 · arxiv_version: 1901.02103v1 · doi: 10.48550/arxiv.1901.02103 · pith_short_12: K5SRROVFGSFQ · pith_short_16: K5SRROVFGSFQDEJZ · pith_short_8: K5SRROVF

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/K5SRROVFGSFQDEJZKZKXEI5PIF \
  | 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: 576518baa5348b01913956557223af4164902629e53dd93d909994c158207986

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb223598ef1ee46b5643751094e746b4e499a2f3adf792763ab0a17b17327fe5",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-01-07T23:30:14Z",
    "title_canon_sha256": "f8e49f8636f7524e5f885178b3e4d973ce2ab673fc7ba67574b0d23fad443242"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02103",
    "kind": "arxiv",
    "version": 1
  }
}