Pith Number

pith:OPNYVJJP

pith:2020:OPNYVJJPLFT2GMI3EU67GQ552Q

not attested not anchored not stored refs pending

Cascaded Models for Better Fine-Grained Named Entity Recognition

Jian Ni, Parul Awasthy, Radu Florian, Taesun Moon

arxiv:2009.07317 v1 · 2020-09-15 · 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{OPNYVJJPLFT2GMI3EU67GQ552Q}

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.

Cited by

1 paper in Pith

Redact or Keep? A Fully Local AI Cascade for Educational Dialogue De-Identification

Receipt and verification

First computed	2026-07-05T01:35:51.015913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73db8aa52f5967a3311b253df343bdd43704a864708f70a43c6248890a6b8d38

Aliases

arxiv: 2009.07317 · arxiv_version: 2009.07317v1 · doi: 10.48550/arxiv.2009.07317 · pith_short_12: OPNYVJJPLFT2 · pith_short_16: OPNYVJJPLFT2GMI3 · pith_short_8: OPNYVJJP

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/OPNYVJJPLFT2GMI3EU67GQ552Q \
  | 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: 73db8aa52f5967a3311b253df343bdd43704a864708f70a43c6248890a6b8d38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b651182c56aca209905b40c358a0a91529b2f9afff33dbb88ef5d4055f81d6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-09-15T18:41:29Z",
    "title_canon_sha256": "1896640823745b7dca639ac99d12e3e3f56be1049d889b26971f55cd083796bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.07317",
    "kind": "arxiv",
    "version": 1
  }
}