Pith Number

pith:WNY6FTYV

pith:2011:WNY6FTYVOTOJHEXGW6ZEPEUJAD

not attested not anchored not stored refs pending

Malthusian assumptions, Boserupian response in models of the transitions to agriculture

Carsten Lemmen

arxiv:1108.2585 v2 · 2011-08-12 · q-bio.PE · cs.MA · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WNY6FTYVOTOJHEXGW6ZEPEUJAD}

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	2026-05-18T00:50:10.065772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b371e2cf1574dc9392e6b7b247928900c3d1746790e69b99d7d9d6198b92d5c4

Aliases

arxiv: 1108.2585 · arxiv_version: 1108.2585v2 · doi: 10.48550/arxiv.1108.2585 · pith_short_12: WNY6FTYVOTOJ · pith_short_16: WNY6FTYVOTOJHEXG · pith_short_8: WNY6FTYV

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/WNY6FTYVOTOJHEXGW6ZEPEUJAD \
  | 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: b371e2cf1574dc9392e6b7b247928900c3d1746790e69b99d7d9d6198b92d5c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4f7290de51267257a522ce17e0d04750023b5a52089b9bc1708eaf4f8c26da9",
    "cross_cats_sorted": [
      "cs.MA",
      "nlin.AO"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2011-08-12T08:21:06Z",
    "title_canon_sha256": "7a5a292ca196700565ea71d14fac207676a3f286b05dcf7c140f45b6327dea9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2585",
    "kind": "arxiv",
    "version": 2
  }
}