Pith Number

pith:ETCGYYF6

pith:2022:ETCGYYF6HAYOISDAKFRCTEB6WH

not attested not anchored not stored refs pending

Topical Classification of Food Safety Publications with a Knowledge Base

Katarzyna Wasielewska-Michniewska, Marcin Paprzycki, Maria Ganzha, Piotr Sowinski

arxiv:2201.00374 v2 · 2022-01-02 · 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{ETCGYYF6HAYOISDAKFRCTEB6WH}

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	2026-07-05T05:13:55.025489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24c46c60be3830e44860516229903eb1e04f146b7c198944711bd91aca139a04

Aliases

arxiv: 2201.00374 · arxiv_version: 2201.00374v2 · doi: 10.48550/arxiv.2201.00374 · pith_short_12: ETCGYYF6HAYO · pith_short_16: ETCGYYF6HAYOISDA · pith_short_8: ETCGYYF6

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/ETCGYYF6HAYOISDAKFRCTEB6WH \
  | 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: 24c46c60be3830e44860516229903eb1e04f146b7c198944711bd91aca139a04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77c21692454799ccd30ae6ad7f3263a978c28bdcc840e46585143e4c4be6c4c6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-01-02T16:15:05Z",
    "title_canon_sha256": "7e2ae83143695ee91bfae9a919171e583bb41104b4bc9457ce96bf498729ba42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.00374",
    "kind": "arxiv",
    "version": 2
  }
}