Pith Number

pith:YLBUQHXH

pith:2020:YLBUQHXHCMZOU2TFJBCSEBQPNX

not attested not anchored not stored refs pending

Coarse-to-Fine Entity Representations for Document-level Relation Extraction

Baobao Chang, Damai Dai, Jing Ren, Shuang Zeng, Zhifang Sui

arxiv:2012.02507 v2 · 2020-12-04 · cs.CL · cs.IR · 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{YLBUQHXHCMZOU2TFJBCSEBQPNX}

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	2026-07-05T02:46:25.704968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2c3481ee71332ea6a65484522060f6df4563c3f0cc03fc27eb85d89c1cd743a

Aliases

arxiv: 2012.02507 · arxiv_version: 2012.02507v2 · doi: 10.48550/arxiv.2012.02507 · pith_short_12: YLBUQHXHCMZO · pith_short_16: YLBUQHXHCMZOU2TF · pith_short_8: YLBUQHXH

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/YLBUQHXHCMZOU2TFJBCSEBQPNX \
  | 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: c2c3481ee71332ea6a65484522060f6df4563c3f0cc03fc27eb85d89c1cd743a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5f8f80d60c970838db3d5229ab59b1bfc841432801dee188f72ea47ef4e3dd9",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-12-04T10:18:59Z",
    "title_canon_sha256": "01cdc6369f9a61aa20700bc9fe730ce264746d7387fdd2c92b5a19e8e8dd4369"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.02507",
    "kind": "arxiv",
    "version": 2
  }
}