Pith Number

pith:2X3PY7FX

pith:2015:2X3PY7FX6KE7VLPUAZRBHEFXLQ

not attested not anchored not stored refs pending

Cultural and Demic Diffusion of First Farmers, Herders, and their Innovations Across Eurasia

Carsten Lemmen

arxiv:1502.00201 v2 · 2015-02-01 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2X3PY7FX6KE7VLPUAZRBHEFXLQ}

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	2026-05-18T00:50:09.965734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5f6fc7cb7f289faadf406621390b75c33bd906ae834e814c8073e800d9d4168

Aliases

arxiv: 1502.00201 · arxiv_version: 1502.00201v2 · doi: 10.48550/arxiv.1502.00201 · pith_short_12: 2X3PY7FX6KE7 · pith_short_16: 2X3PY7FX6KE7VLPU · pith_short_8: 2X3PY7FX

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/2X3PY7FX6KE7VLPUAZRBHEFXLQ \
  | 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: d5f6fc7cb7f289faadf406621390b75c33bd906ae834e814c8073e800d9d4168

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54187e0bc2f8e7f0fd3c361f1b1c470049cfb3378ae521283a6b6a698a54cfc9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2015-02-01T05:14:26Z",
    "title_canon_sha256": "36212fc517ee3fefa61c518f4098f09ea51933ac44a3443081dbd7eeb814ce7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00201",
    "kind": "arxiv",
    "version": 2
  }
}