Pith Number

pith:5QBDABZD

pith:2019:5QBDABZDXWEZM3FXNO4AV22IKB

not attested not anchored not stored refs pending

SECTOR: A Neural Model for Coherent Topic Segmentation and Classification

Alexander L\"oser, Felix A. Gers, Philippe Cudr\'e-Mauroux, Rudolf Schneider, Sebastian Arnold

arxiv:1902.04793 v1 · 2019-02-13 · 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{5QBDABZDXWEZM3FXNO4AV22IKB}

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	2026-05-17T23:54:05.927638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec02300723bd89966cb76bb80aeb485057b6a39347c989e94848e61e6bbdf876

Aliases

arxiv: 1902.04793 · arxiv_version: 1902.04793v1 · doi: 10.48550/arxiv.1902.04793 · pith_short_12: 5QBDABZDXWEZ · pith_short_16: 5QBDABZDXWEZM3FX · pith_short_8: 5QBDABZD

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/5QBDABZDXWEZM3FXNO4AV22IKB \
  | 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: ec02300723bd89966cb76bb80aeb485057b6a39347c989e94848e61e6bbdf876

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1af693c3ead45b6791a9ef3c8fcd85823fdcdc191abad971f47e17fdd2004ad1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-02-13T09:00:16Z",
    "title_canon_sha256": "762e1cbdf786e29c0c752ff5c281f2079b81ee332605cff6ecab5584a0128abf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04793",
    "kind": "arxiv",
    "version": 1
  }
}