Pith Number

pith:FNQPK4OK

pith:2022:FNQPK4OK2FPCFYPQTJKEKERJVN

not attested not anchored not stored refs pending

NEREL-BIO: A Dataset of Biomedical Abstracts Annotated with Nested Named Entities

Elena Tutubalina, Elina Baral, Igor Rozhkov, Natalia Loukachevitch, Pavel Braslavski, Suresh Manandhar, Tatiana Batura, Vladimir Ivanov

arxiv:2210.11913 v1 · 2022-10-21 · cs.CL · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FNQPK4OK2FPCFYPQTJKEKERJVN}

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	2026-07-05T07:14:07.230169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b60f571cad15e22e1f09a54451229ab6389188354716309090c6677cf71cb0f

Aliases

arxiv: 2210.11913 · arxiv_version: 2210.11913v1 · doi: 10.48550/arxiv.2210.11913 · pith_short_12: FNQPK4OK2FPC · pith_short_16: FNQPK4OK2FPCFYPQ · pith_short_8: FNQPK4OK

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/FNQPK4OK2FPCFYPQTJKEKERJVN \
  | 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: 2b60f571cad15e22e1f09a54451229ab6389188354716309090c6677cf71cb0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "300828d37e5110fb4380fa8fbdd32dd13fe647884e8df546b3a0325a3e8ac01a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-10-21T12:28:43Z",
    "title_canon_sha256": "b3b350e926c5455a39d3ec34960d5d8d09dccd0d32812be02d54327e2e7ea051"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.11913",
    "kind": "arxiv",
    "version": 1
  }
}