Pith Number

pith:AVGY62NF

pith:2021:AVGY62NFSUVIXS2TTU4MIMVQP2

not attested not anchored not stored refs pending

SeqScore: Addressing Barriers to Reproducible Named Entity Recognition Evaluation

Chester Palen-Michel, Constantine Lignos, Nolan Holley

arxiv:2107.14154 v3 · 2021-07-29 · 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{AVGY62NFSUVIXS2TTU4MIMVQP2}

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	2026-07-05T03:29:18.111083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

054d8f69a5952a8bcb539d38c432b07ea8db6c93e12d0177ce4fa2457703ded2

Aliases

arxiv: 2107.14154 · arxiv_version: 2107.14154v3 · doi: 10.48550/arxiv.2107.14154 · pith_short_12: AVGY62NFSUVI · pith_short_16: AVGY62NFSUVIXS2T · pith_short_8: AVGY62NF

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/AVGY62NFSUVIXS2TTU4MIMVQP2 \
  | 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: 054d8f69a5952a8bcb539d38c432b07ea8db6c93e12d0177ce4fa2457703ded2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d1c7ba9dd805b7e517cf1159751e1a70995baeeacf706b0ec4aac10c64d791b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-07-29T16:26:04Z",
    "title_canon_sha256": "138197cb254d9768e28c6de8e88e71dbd1370725e08e22d5e12d5029c22386be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.14154",
    "kind": "arxiv",
    "version": 3
  }
}