Pith Number

pith:D6W5FPKF

pith:2022:D6W5FPKFBGV265HO6BWML525BK

not attested not anchored not stored refs pending

Modeling Multi-Granularity Hierarchical Features for Relation Extraction

Mu Li, Shuangzhi Wu, Xinnian Liang, Zhoujun Li

arxiv:2204.04437 v1 · 2022-04-09 · 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{D6W5FPKFBGV265HO6BWML525BK}

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	2026-07-05T04:12:57.231650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fadd2bd4509abaf74eef06cc5f75d0ab2984d893aebef1e5bb9f52fb26094d3

Aliases

arxiv: 2204.04437 · arxiv_version: 2204.04437v1 · doi: 10.48550/arxiv.2204.04437 · pith_short_12: D6W5FPKFBGV2 · pith_short_16: D6W5FPKFBGV265HO · pith_short_8: D6W5FPKF

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/D6W5FPKFBGV265HO6BWML525BK \
  | 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: 1fadd2bd4509abaf74eef06cc5f75d0ab2984d893aebef1e5bb9f52fb26094d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50eafda9124fce80fdb67a3987443cc3a18b65ffe77e7f2f839a68442d268492",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-04-09T09:44:05Z",
    "title_canon_sha256": "8f40304a3c72f3049fd1709aaf71ca6be07664447ca65bd0e5d30d3f0ab2cf6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.04437",
    "kind": "arxiv",
    "version": 1
  }
}