Pith Number

pith:7YHGBPO4

pith:2017:7YHGBPO4NHDVBHS3FXU46C5S2D

not attested not anchored not stored refs pending

Analysis and Optimization of fastText Linear Text Classifier

David Kung, Vladimir Zolotov

arxiv:1702.05531 v1 · 2017-02-17 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7YHGBPO4NHDVBHS3FXU46C5S2D}

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	2026-05-18T00:50:30.565036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe0e60bddc69c7509e5b2de9cf0bb2d0f03ef81297867200cd29ecdafc1fcd10

Aliases

arxiv: 1702.05531 · arxiv_version: 1702.05531v1 · doi: 10.48550/arxiv.1702.05531 · pith_short_12: 7YHGBPO4NHDV · pith_short_16: 7YHGBPO4NHDVBHS3 · pith_short_8: 7YHGBPO4

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/7YHGBPO4NHDVBHS3FXU46C5S2D \
  | 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: fe0e60bddc69c7509e5b2de9cf0bb2d0f03ef81297867200cd29ecdafc1fcd10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "267563caa25c7a7ed6911f9662c70ed9ab9450ba763bed23cdc257d4e7928249",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-02-17T22:10:28Z",
    "title_canon_sha256": "32e114d9334c9802d0d53709b41ccccf6852f32506f6adb10af9ee95fc2a1d99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05531",
    "kind": "arxiv",
    "version": 1
  }
}