Pith Number

pith:7RU6BHWL

pith:2012:7RU6BHWL2XV2IJTW6UQX3BPDJ2

not attested not anchored not stored refs pending

Wikipedia Arborification and Stratified Explicit Semantic Analysis

Vitaly Klyuev, Yannis Haralambous

arxiv:1201.6224 v2 · 2012-01-30 · 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{7RU6BHWL2XV2IJTW6UQX3BPDJ2}

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	2026-05-18T04:03:18.860459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc69e09ecbd5eba42676f5217d85e34eba3360264ce91306ed019fc461b50226

Aliases

arxiv: 1201.6224 · arxiv_version: 1201.6224v2 · doi: 10.48550/arxiv.1201.6224 · pith_short_12: 7RU6BHWL2XV2 · pith_short_16: 7RU6BHWL2XV2IJTW · pith_short_8: 7RU6BHWL

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/7RU6BHWL2XV2IJTW6UQX3BPDJ2 \
  | 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: fc69e09ecbd5eba42676f5217d85e34eba3360264ce91306ed019fc461b50226

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00e3f592447d4019dd42e62b2f9d10bbb714aa7bb553445b6003bae097349eed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2012-01-30T14:26:31Z",
    "title_canon_sha256": "858b2aeca2631356dbe6291ba5e545d77c5a5b4fa0bc561882205721506346e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.6224",
    "kind": "arxiv",
    "version": 2
  }
}