Pith Number

pith:2AIVAAPC

pith:2021:2AIVAAPCCRQVT5MQI7HPYWCKDL

not attested not anchored not stored refs pending

LightNER: A Lightweight Tuning Paradigm for Low-resource NER via Pluggable Prompting

Changliang Xu, Chuanqi Tan, Fei Huang, Huajun Chen, Lei Li, Luo Si, Ningyu Zhang, Shumin Deng, Xiang Chen

arxiv:2109.00720 v5 · 2021-08-31 · cs.CL · cs.AI · cs.DB · 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{2AIVAAPCCRQVT5MQI7HPYWCKDL}

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	2026-07-05T05:35:42.079090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0115001e2146159f59047cefc584a1ae930d9c59f3e6165cc3f8f0644a12246

Aliases

arxiv: 2109.00720 · arxiv_version: 2109.00720v5 · doi: 10.48550/arxiv.2109.00720 · pith_short_12: 2AIVAAPCCRQV · pith_short_16: 2AIVAAPCCRQVT5MQ · pith_short_8: 2AIVAAPC

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/2AIVAAPCCRQVT5MQI7HPYWCKDL \
  | 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: d0115001e2146159f59047cefc584a1ae930d9c59f3e6165cc3f8f0644a12246

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb6e237fa09c9f63688c63b331da5adcf7bf64ef93ea7ac65de76a0f6f4c3d70",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DB",
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-08-31T15:01:49Z",
    "title_canon_sha256": "809ab37a4a4e6172c46d22fa1c445a7df44ef008eb2ed7f158fe6e279446e896"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.00720",
    "kind": "arxiv",
    "version": 5
  }
}