Pith Number

pith:I6KHSXSN

pith:2021:I6KHSXSN2GX5RNMN4OMKX7VRXO

not attested not anchored not stored refs pending

NEREL: A Russian Dataset with Nested Named Entities, Relations and Events

Alexander Pugachev, Ekaterina Artemova, Elena Tutubalina, Ilia Denisov, Natalia Loukachevitch, Pavel Braslavski, Suresh Manandhar, Tatiana Batura, Vladimir Ivanov

arxiv:2108.13112 v2 · 2021-08-30 · 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{I6KHSXSN2GX5RNMN4OMKX7VRXO}

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	2026-07-05T03:11:14.745000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4794795e4dd1afd8b58de398abfeb1bb83bd34511e0409bf5d3c511bdafd52b1

Aliases

arxiv: 2108.13112 · arxiv_version: 2108.13112v2 · doi: 10.48550/arxiv.2108.13112 · pith_short_12: I6KHSXSN2GX5 · pith_short_16: I6KHSXSN2GX5RNMN · pith_short_8: I6KHSXSN

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/I6KHSXSN2GX5RNMN4OMKX7VRXO \
  | 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: 4794795e4dd1afd8b58de398abfeb1bb83bd34511e0409bf5d3c511bdafd52b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6247088269d0b435c9b65a9b8b874ae8714d20ca25dde8b19104782bf642419a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-08-30T10:40:20Z",
    "title_canon_sha256": "9c987c11836ac9d948a570fddc621f228e17e0b542c3af1c90b440e04321821f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.13112",
    "kind": "arxiv",
    "version": 2
  }
}