Pith Number

pith:2YKJUX6J

pith:2019:2YKJUX6JZYZKGYBGC4IUGOBASB

not attested not anchored not stored refs pending

Generating Information Extraction Patterns from Overlapping and Variable Length Annotations using Sequence Alignment

Craig A. Morioka, Danne C. Elbers, Frank Meng

arxiv:1908.03594 v2 · 2019-08-09 · 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{2YKJUX6JZYZKGYBGC4IUGOBASB}

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	2026-07-05T00:05:24.898472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6149a5fc9ce32a3602617114338209053fec289affa449647cfe4096030e182

Aliases

arxiv: 1908.03594 · arxiv_version: 1908.03594v2 · doi: 10.48550/arxiv.1908.03594 · pith_short_12: 2YKJUX6JZYZK · pith_short_16: 2YKJUX6JZYZKGYBG · pith_short_8: 2YKJUX6J

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/2YKJUX6JZYZKGYBGC4IUGOBASB \
  | 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: d6149a5fc9ce32a3602617114338209053fec289affa449647cfe4096030e182

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bad3bc8f36cd35aba81cfd4b731133725eae0494ceaa9e131db82a6519f3780a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-09T18:51:30Z",
    "title_canon_sha256": "75b67f82bae33e8025ec0bee0066704237e10632f0ecdf0e98bdf81416932729"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03594",
    "kind": "arxiv",
    "version": 2
  }
}