Pith Number

pith:5NMM2Z7T

pith:2019:5NMM2Z7THJEBP6AWYOLCBDEQRR

not attested not anchored not stored refs pending

Towards Robust Named Entity Recognition for Historic German

Johannes Baiter, Stefan Schweter

arxiv:1906.07592 v1 · 2019-06-18 · 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{5NMM2Z7THJEBP6AWYOLCBDEQRR}

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	2026-05-17T23:43:07.389478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb58cd67f33a4817f816c396208c908c6b3306ce94a09f93a2754451dc2f6c98

Aliases

arxiv: 1906.07592 · arxiv_version: 1906.07592v1 · doi: 10.48550/arxiv.1906.07592 · pith_short_12: 5NMM2Z7THJEB · pith_short_16: 5NMM2Z7THJEBP6AW · pith_short_8: 5NMM2Z7T

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/5NMM2Z7THJEBP6AWYOLCBDEQRR \
  | 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: eb58cd67f33a4817f816c396208c908c6b3306ce94a09f93a2754451dc2f6c98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6453b15cb731e65c3bf2765ee3c72329644747605bae426920aeb9b695e69279",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-18T14:06:40Z",
    "title_canon_sha256": "880440fa7e46a41a8cc85b00075825f247cac9fbe4469167f3046b26363f1e30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.07592",
    "kind": "arxiv",
    "version": 1
  }
}