Pith Number

pith:QKL2WCRO

pith:2020:QKL2WCROLGDBZEEVNTGHQF5QJG

not attested not anchored not stored refs pending

Deep or Simple Models for Semantic Tagging? It Depends on your Data [Experiments]

Jinfeng Li, Wang-Chiew Tan, Xiaolan Wang, Yuliang Li

arxiv:2007.05651 v2 · 2020-07-11 · cs.CL · cs.DB · 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{QKL2WCROLGDBZEEVNTGHQF5QJG}

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	2026-07-05T01:41:32.617644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8297ab0a2e59861c90956ccc7817b049a390b7e0fdf67a786d28669655552ba7

Aliases

arxiv: 2007.05651 · arxiv_version: 2007.05651v2 · doi: 10.48550/arxiv.2007.05651 · pith_short_12: QKL2WCROLGDB · pith_short_16: QKL2WCROLGDBZEEV · pith_short_8: QKL2WCRO

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/QKL2WCROLGDBZEEVNTGHQF5QJG \
  | 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: 8297ab0a2e59861c90956ccc7817b049a390b7e0fdf67a786d28669655552ba7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3c04b43f614840b189cd2e6d88af6dfeee4aef9e2663f631c9a865bfc0ef717",
    "cross_cats_sorted": [
      "cs.DB",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-07-11T00:05:50Z",
    "title_canon_sha256": "6c7f661afcc28d4e56f3ece1fafefadc98fe58f42cabc14ce31b3c78c42da1b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.05651",
    "kind": "arxiv",
    "version": 2
  }
}