Pith Number

pith:N2HWM4DX

pith:2022:N2HWM4DXDJU3WSM6BATEJCZE22

not attested not anchored not stored refs pending

Entity-centered Cross-document Relation Extraction

Bo Cai, Donghong Ji, Fangfang Su, Fei Li, Fengqi Wang, Hao Fei, Jingye Li, Shengqiong Wu, Wenxuan Shi

arxiv:2210.16541 v1 · 2022-10-29 · 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{N2HWM4DXDJU3WSM6BATEJCZE22}

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	2026-07-05T05:11:47.407502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e8f6670771a69bb499e0826448b24d68e49396415e1d043e80eead89d8c8f53

Aliases

arxiv: 2210.16541 · arxiv_version: 2210.16541v1 · doi: 10.48550/arxiv.2210.16541 · pith_short_12: N2HWM4DXDJU3 · pith_short_16: N2HWM4DXDJU3WSM6 · pith_short_8: N2HWM4DX

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/N2HWM4DXDJU3WSM6BATEJCZE22 \
  | 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: 6e8f6670771a69bb499e0826448b24d68e49396415e1d043e80eead89d8c8f53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e00a3cbf416d4b67d66111d47f954d020beee9dacf75e573883a82fbdc33aed4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-10-29T09:27:15Z",
    "title_canon_sha256": "457703b3618ddf29f03afdcb7412c81318a434d1677726015b1d3b45e6683e0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.16541",
    "kind": "arxiv",
    "version": 1
  }
}