Pith Number

pith:BHRB6NO4

pith:2015:BHRB6NO463A7OMK66TCM37GTVK

not attested not anchored not stored refs pending

Learning Dictionaries for Named Entity Recognition using Minimal Supervision

Arvind Neelakantan, Michael Collins

arxiv:1504.06650 v1 · 2015-04-24 · cs.CL · 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{BHRB6NO463A7OMK66TCM37GTVK}

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	2026-05-18T02:17:52.883432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09e21f35dcf6c1f7315ef4c4cdfcd3aa98df8a6905b1b378e4023dc7d9acf8f6

Aliases

arxiv: 1504.06650 · arxiv_version: 1504.06650v1 · doi: 10.48550/arxiv.1504.06650 · pith_short_12: BHRB6NO463A7 · pith_short_16: BHRB6NO463A7OMK6 · pith_short_8: BHRB6NO4

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/BHRB6NO463A7OMK66TCM37GTVK \
  | 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: 09e21f35dcf6c1f7315ef4c4cdfcd3aa98df8a6905b1b378e4023dc7d9acf8f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca5b374f0ebf1313845253a279896ee9ced4c97151f25bc6d667e9fa4e95029d",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-04-24T21:43:55Z",
    "title_canon_sha256": "f4e45ce5b5f454a08d1f98301117af4b3445b270f9ca9c2ca4c66208c314098e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06650",
    "kind": "arxiv",
    "version": 1
  }
}