Pith Number

pith:QKBQLTYP

pith:2021:QKBQLTYPWTWEL5MTY7Z6DJ2LBF

not attested not anchored not stored refs pending

A Unified Generative Framework for Various NER Subtasks

Hang Yan, Junqi Dai, Qipeng Guo, Tao Gui, Xipeng Qiu, Zheng Zhang

arxiv:2106.01223 v1 · 2021-06-02 · 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{QKBQLTYPWTWEL5MTY7Z6DJ2LBF}

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	2026-07-05T02:45:45.012665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

828305cf0fb4ec45f593c7f3e1a74b094066c130ddbdfd2aaad959332bab0ab6

Aliases

arxiv: 2106.01223 · arxiv_version: 2106.01223v1 · doi: 10.48550/arxiv.2106.01223 · pith_short_12: QKBQLTYPWTWE · pith_short_16: QKBQLTYPWTWEL5MT · pith_short_8: QKBQLTYP

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/QKBQLTYPWTWEL5MTY7Z6DJ2LBF \
  | 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: 828305cf0fb4ec45f593c7f3e1a74b094066c130ddbdfd2aaad959332bab0ab6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03a164ba7bcf22ffdd6c364f3332d00692b7f1a96223eb968e21cfa8e0056070",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-06-02T15:19:23Z",
    "title_canon_sha256": "fd9bc95cbaa26af15cd7169ff61de0eabd9afb5d13abaaf10f5c6b861fd9c8a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.01223",
    "kind": "arxiv",
    "version": 1
  }
}