Pith Number

pith:5CYGTGLW

pith:2017:5CYGTGLWGYFN2S3E4RNLDTF6YD

not attested not anchored not stored refs pending

Identifying Reference Spans: Topic Modeling and Word Embeddings help IR

Daniel Lee, Luis Moraes, Rakesh Verma, Shahryar Baki

arxiv:1708.02989 v1 · 2017-08-09 · 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{5CYGTGLWGYFN2S3E4RNLDTF6YD}

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	2026-05-18T00:38:17.525470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8b0699976360add4b64e45ab1ccbec0dcae157c9e19e375cc9dfdb531397ad2

Aliases

arxiv: 1708.02989 · arxiv_version: 1708.02989v1 · doi: 10.48550/arxiv.1708.02989 · pith_short_12: 5CYGTGLWGYFN · pith_short_16: 5CYGTGLWGYFN2S3E · pith_short_8: 5CYGTGLW

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/5CYGTGLWGYFN2S3E4RNLDTF6YD \
  | 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: e8b0699976360add4b64e45ab1ccbec0dcae157c9e19e375cc9dfdb531397ad2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4788aa0c117d728b15d13b76a2f3abee3d6d8cd4cd375e524faffc7e6a47c6bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-08-09T19:58:55Z",
    "title_canon_sha256": "bfb7d71a240d25af6c22b35e870acfeec980b4a3123d91c5848c02e9eb2931cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02989",
    "kind": "arxiv",
    "version": 1
  }
}