Pith Number

pith:A4APLFQT

pith:2021:A4APLFQTRBLIAT3GV3BXUQYEAC

not attested not anchored not stored refs pending

UniRE: A Unified Label Space for Entity Relation Extraction

Changzhi Sun, Hao Zhou, Junchi Yan, Lei Li, Yijun Wang, Yuanbin Wu

arxiv:2107.04292 v1 · 2021-07-09 · cs.CL · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A4APLFQTRBLIAT3GV3BXUQYEAC}

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	2026-07-05T02:56:31.656683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0700f596138856804f66aec37a4304008e4fec9bc82b1772e9a5a1c94f20d166

Aliases

arxiv: 2107.04292 · arxiv_version: 2107.04292v1 · doi: 10.48550/arxiv.2107.04292 · pith_short_12: A4APLFQTRBLI · pith_short_16: A4APLFQTRBLIAT3G · pith_short_8: A4APLFQT

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/A4APLFQTRBLIAT3GV3BXUQYEAC \
  | 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: 0700f596138856804f66aec37a4304008e4fec9bc82b1772e9a5a1c94f20d166

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84273639997a6acfb7155b0ce66593068c41f49cc5f0e7e50a08825b9fd413ca",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-07-09T08:09:37Z",
    "title_canon_sha256": "f83d2fdbe72766df7b8244e7091cc7ce9954b79c9293e0b8fbc3030b19393829"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.04292",
    "kind": "arxiv",
    "version": 1
  }
}