Pith Number

pith:N65ZN2NO

pith:2019:N65ZN2NOWQOFUE2UMMW6JXAL4D

not attested not anchored not stored refs pending

Computational models for the evolution of world cuisines

Ganesh Bagler, Navjot Singh, Nutan Sahoo, Rudraksh Tuwani

arxiv:1904.10138 v1 · 2019-04-23 · physics.soc-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N65ZN2NOWQOFUE2UMMW6JXAL4D}

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	2026-05-17T23:47:55.003440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fbb96e9aeb41c5a1354632de4dc0be0fc791d1b2364d9768ad0ee1d90531433

Aliases

arxiv: 1904.10138 · arxiv_version: 1904.10138v1 · doi: 10.48550/arxiv.1904.10138 · pith_short_12: N65ZN2NOWQOF · pith_short_16: N65ZN2NOWQOFUE2U · pith_short_8: N65ZN2NO

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/N65ZN2NOWQOFUE2UMMW6JXAL4D \
  | 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: 6fbb96e9aeb41c5a1354632de4dc0be0fc791d1b2364d9768ad0ee1d90531433

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "021188c17b3173ade13de0f098056da01f0ae96f3aff71d4dddb18a6fa23d3b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2019-04-23T03:45:37Z",
    "title_canon_sha256": "2cff59bca591435790c60308d45bdb9c999561d6f712270156349b8693e99cf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.10138",
    "kind": "arxiv",
    "version": 1
  }
}