Pith Number

pith:NSHST5FS

pith:2022:NSHST5FS3527M623HS3OU7SXSZ

not attested not anchored not stored refs pending

SCL-RAI: Span-based Contrastive Learning with Retrieval Augmented Inference for Unlabeled Entity Problem in NER

Baobao Chang, Jiaxing Lin, Shuang Zeng, Shuzheng Si

arxiv:2209.01646 v3 · 2022-09-04 · 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{NSHST5FS3527M623HS3OU7SXSZ}

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	2026-07-05T07:04:11.052707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c8f29f4b2df75f67b5b3cb6ea7e5796591fc11957e8c3d68e6e28cd7836f0c7

Aliases

arxiv: 2209.01646 · arxiv_version: 2209.01646v3 · doi: 10.48550/arxiv.2209.01646 · pith_short_12: NSHST5FS3527 · pith_short_16: NSHST5FS3527M623 · pith_short_8: NSHST5FS

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/NSHST5FS3527M623HS3OU7SXSZ \
  | 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: 6c8f29f4b2df75f67b5b3cb6ea7e5796591fc11957e8c3d68e6e28cd7836f0c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fecb95258c4c7b8cc51311f4b8d6c3f37d0255cd60c2b894c958435533759622",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-09-04T15:40:10Z",
    "title_canon_sha256": "23627c1b3e59f70a91ddf4a8fe4b7f4402bf705b600f02a2a68c9d81feba7fd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.01646",
    "kind": "arxiv",
    "version": 3
  }
}