Pith Number

pith:QQXG26JE

pith:2017:QQXG26JECG7WXFKU5T2SQOPBKJ

not attested not anchored not stored refs pending

Neural Discourse Structure for Text Categorization

Noah Smith, Yangfeng Ji

arxiv:1702.01829 v2 · 2017-02-07 · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QQXG26JECG7WXFKU5T2SQOPBKJ}

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	2026-05-18T00:44:57.371295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

842e6d792411bf6b9554ecf52839e152479957b1d4cc95f7882b3d2cc28f4350

Aliases

arxiv: 1702.01829 · arxiv_version: 1702.01829v2 · doi: 10.48550/arxiv.1702.01829 · pith_short_12: QQXG26JECG7W · pith_short_16: QQXG26JECG7WXFKU · pith_short_8: QQXG26JE

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/QQXG26JECG7WXFKU5T2SQOPBKJ \
  | 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: 842e6d792411bf6b9554ecf52839e152479957b1d4cc95f7882b3d2cc28f4350

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6927f9abcf9f47f2a5ecaea4745ea8462d71d8f500f60f34f64a74abf53c774a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-02-07T00:26:56Z",
    "title_canon_sha256": "368ef1e5982f924db61329d0d48515f5180d14616a61ae7b1c82f3216e0c6f82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01829",
    "kind": "arxiv",
    "version": 2
  }
}