Pith Number

pith:NNJKKYTH

pith:2019:NNJKKYTHKRJ47KMPX75RLOWZPY

not attested not anchored not stored refs pending

What comes next? Extractive summarization by next-sentence prediction

Annie Louis, Jackie C.K.Cheung, Jingyun Liu

arxiv:1901.03859 v1 · 2019-01-12 · 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{NNJKKYTHKRJ47KMPX75RLOWZPY}

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	2026-05-17T23:56:26.880345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b52a562675453cfa98fbffb15bad97e3c78ed96f85fe05e1b14a509b11f22ad

Aliases

arxiv: 1901.03859 · arxiv_version: 1901.03859v1 · doi: 10.48550/arxiv.1901.03859 · pith_short_12: NNJKKYTHKRJ4 · pith_short_16: NNJKKYTHKRJ47KMP · pith_short_8: NNJKKYTH

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/NNJKKYTHKRJ47KMPX75RLOWZPY \
  | 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: 6b52a562675453cfa98fbffb15bad97e3c78ed96f85fe05e1b14a509b11f22ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2abbd66c6abd560635f5df711e7b85973ad49a3fda3eb6dc1c6eef8a2aa915f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-01-12T13:00:30Z",
    "title_canon_sha256": "9b0880884d0135153a78271c1236daa58f0ce0b24a1556bca0761d1e37e0c64c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03859",
    "kind": "arxiv",
    "version": 1
  }
}