Pith Number

pith:UH2L37TV

pith:2026:UH2L37TVVTYSD6RC6UAM3YO4EB

not attested not anchored not stored refs pending

SSDAU: Structured Semantic Data Augmentation for Joint Entity and Relation Extraction

Chunrong Fang, Jiawei He, Mengyu Shi

arxiv:2605.23440 v1 · 2026-05-22 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UH2L37TVVTYSD6RC6UAM3YO4EB}

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	2026-05-25T02:01:54.395456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1f4bdfe75acf121fa22f500cde1dc20529b3a83bd087e06a4440d163d4cb93e

Aliases

arxiv: 2605.23440 · arxiv_version: 2605.23440v1 · doi: 10.48550/arxiv.2605.23440 · pith_short_12: UH2L37TVVTYS · pith_short_16: UH2L37TVVTYSD6RC · pith_short_8: UH2L37TV

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/UH2L37TVVTYSD6RC6UAM3YO4EB \
  | 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: a1f4bdfe75acf121fa22f500cde1dc20529b3a83bd087e06a4440d163d4cb93e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d8bab8dc9efde3d8e9e9c5dd41596e09d87923b6ea4fccbdef321d60d95270c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-22T09:52:43Z",
    "title_canon_sha256": "8cd4789ded007cdaea3bcfeaa4cca77a6c3e559bcff09e1b640e714ad957ea6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23440",
    "kind": "arxiv",
    "version": 1
  }
}