Pith Number

pith:MTDD34SN

pith:2021:MTDD34SN6SA6HTPZJE4PVO7J35

not attested not anchored not stored refs pending

Towards Evaluation of Cross-document Coreference Resolution Models Using Datasets with Diverse Annotation Schemes

Anastasia Zhukova, Bela Gipp, Felix Hamborg

arxiv:2109.05250 v2 · 2021-09-11 · 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{MTDD34SN6SA6HTPZJE4PVO7J35}

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	2026-07-05T05:17:59.791075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64c63df24df481e3cdf94938fabbe9df58bfc5aa856ced83c384ec10f1951425

Aliases

arxiv: 2109.05250 · arxiv_version: 2109.05250v2 · doi: 10.48550/arxiv.2109.05250 · pith_short_12: MTDD34SN6SA6 · pith_short_16: MTDD34SN6SA6HTPZ · pith_short_8: MTDD34SN

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/MTDD34SN6SA6HTPZJE4PVO7J35 \
  | 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: 64c63df24df481e3cdf94938fabbe9df58bfc5aa856ced83c384ec10f1951425

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdaf6cbc34a370f76e4dce33d471ea628ba4dcc907d09c808b1432b7956f09e6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-11T10:33:17Z",
    "title_canon_sha256": "44b9eace365d64037ed5490b5d57ca5fc22a6fb98211c3c732c81869575e447e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.05250",
    "kind": "arxiv",
    "version": 2
  }
}