Pith Number

pith:JLLEFS27

pith:2022:JLLEFS27QOP22WSKZI4G2ASLNY

not attested not anchored not stored refs pending

A Survey on Open Information Extraction from Rule-based Model to Large Language Model

Ehsan Hoque, Julia Hirschberg, Lin Ai, Pai Liu, Songfang Huang, Wenjie Dong, Wenyang Gao, Yue Zhang, Ziwei Gong, Zongsheng Li

arxiv:2208.08690 v7 · 2022-08-18 · 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{JLLEFS27QOP22WSKZI4G2ASLNY}

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	2026-07-05T09:24:49.712487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ad642cb5f839fad5a4aca386d024b6e07193b1fbd1a1f1c0580ea2ad86ee66d

Aliases

arxiv: 2208.08690 · arxiv_version: 2208.08690v7 · doi: 10.48550/arxiv.2208.08690 · pith_short_12: JLLEFS27QOP2 · pith_short_16: JLLEFS27QOP22WSK · pith_short_8: JLLEFS27

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/JLLEFS27QOP22WSKZI4G2ASLNY \
  | 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: 4ad642cb5f839fad5a4aca386d024b6e07193b1fbd1a1f1c0580ea2ad86ee66d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c72bfbc7186064c2760cd7affd8432a4b1037abd7f5c5ec334582cf008da95eb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-08-18T08:03:45Z",
    "title_canon_sha256": "2afb3dfdd6e2e9fb08f96172cdcf99a71f93dfdc76718c54e3a1370cccb6d8de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.08690",
    "kind": "arxiv",
    "version": 7
  }
}