Pith Number

pith:2JP2QR27

pith:2019:2JP2QR274HTQ7Z4MZGW346LU2P

not attested not anchored not stored refs pending

Using Automatically Extracted Minimum Spans to Disentangle Coreference Evaluation from Boundary Detection

Leo Born, Massimo Poesio, Michael Strube, Nafise Sadat Moosavi

arxiv:1906.06703 v1 · 2019-06-16 · 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{2JP2QR274HTQ7Z4MZGW346LU2P}

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	2026-05-17T23:43:12.898930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d25fa8475fe1e70fe78cc9adbe7974d3e98418d9dff60261ed8f09ba9aad167d

Aliases

arxiv: 1906.06703 · arxiv_version: 1906.06703v1 · doi: 10.48550/arxiv.1906.06703 · pith_short_12: 2JP2QR274HTQ · pith_short_16: 2JP2QR274HTQ7Z4M · pith_short_8: 2JP2QR27

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/2JP2QR274HTQ7Z4MZGW346LU2P \
  | 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: d25fa8475fe1e70fe78cc9adbe7974d3e98418d9dff60261ed8f09ba9aad167d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0603670ed6a341fd9fdb64938dbfd44837d9c219e06ff85b3aa9a98ddefd341f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-16T14:33:45Z",
    "title_canon_sha256": "1f93c85ce0dceab74e11bae0b547e5c814a6788558e2056574216e63bb50751e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.06703",
    "kind": "arxiv",
    "version": 1
  }
}