Pith Number

pith:5MK3IRUT

pith:2021:5MK3IRUTCYSAXBKVRWT4AJACVO

not attested not anchored not stored refs pending

TMR: Evaluating NER Recall on Tough Mentions

Constantine Lignos, Jingxuan Tu

arxiv:2103.12312 v1 · 2021-03-23 · 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{5MK3IRUTCYSAXBKVRWT4AJACVO}

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	2026-07-05T02:25:45.158141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb15b4469316240b85558da7c02402ab95b5cd8d33962e5eb0335b6cf6063b06

Aliases

arxiv: 2103.12312 · arxiv_version: 2103.12312v1 · doi: 10.48550/arxiv.2103.12312 · pith_short_12: 5MK3IRUTCYSA · pith_short_16: 5MK3IRUTCYSAXBKV · pith_short_8: 5MK3IRUT

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/5MK3IRUTCYSAXBKVRWT4AJACVO \
  | 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: eb15b4469316240b85558da7c02402ab95b5cd8d33962e5eb0335b6cf6063b06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f46c5b8bab1b93ce0dbbbaeba3bee8940ec13669e2675128bdedd84b46944992",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-03-23T05:04:14Z",
    "title_canon_sha256": "19674e5dfbd711cfba9bdcfe344fea5e433b88ed3ea6dd1e9b1a76d5e7070135"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.12312",
    "kind": "arxiv",
    "version": 1
  }
}