Pith Number

pith:BQ4XHYIL

pith:2015:BQ4XHYILYCT6TOGYUOACCMKKOO

not attested not anchored not stored refs pending

Class Vectors: Embedding representation of Document Classes

Devendra Singh Sachan, Shailesh Kumar

arxiv:1508.00189 v1 · 2015-08-02 · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BQ4XHYILYCT6TOGYUOACCMKKOO}

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	2026-05-18T01:35:58.756614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c3973e10bc0a7e9b8d8a38021314a738202788e681df83f8d2c0b5adccd4e1d

Aliases

arxiv: 1508.00189 · arxiv_version: 1508.00189v1 · doi: 10.48550/arxiv.1508.00189 · pith_short_12: BQ4XHYILYCT6 · pith_short_16: BQ4XHYILYCT6TOGY · pith_short_8: BQ4XHYIL

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/BQ4XHYILYCT6TOGYUOACCMKKOO \
  | 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: 0c3973e10bc0a7e9b8d8a38021314a738202788e681df83f8d2c0b5adccd4e1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ad97682fb8bfa42bf6c09437337cbeee395d676e498cc537a190ad18f2d3e35",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-08-02T04:17:40Z",
    "title_canon_sha256": "cd2b2d908b9416f10b2f7f3533f37238bbc040df51aac0ca01b33c7eab30521e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00189",
    "kind": "arxiv",
    "version": 1
  }
}