Pith Number

pith:XXNNUC47

pith:2019:XXNNUC47KQIXOD4TWIZE4MDS7D

not attested not anchored not stored refs pending

Earth system modeling with endogenous and dynamic human societies: the copan:CORE open World-Earth modeling framework

Finn M\"uller-Hansen, Ilona M. Otto, Jakob J. Kolb, Jobst Heitzig, Johannes A. Kassel, Jonathan F. Donges, Kilian B. Zimmerer, Marc Wiedermann, Till Kolster, Tim Kittel, Wolfgang Lucht, Wolfram Barfuss

arxiv:1909.13697 v1 · 2019-09-30 · 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{XXNNUC47KQIXOD4TWIZE4MDS7D}

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	2026-07-05T01:12:24.474244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bddada0b9f5411770f93b2324e3072f8c1967c7508e419049c95e0a980062f0a

Aliases

arxiv: 1909.13697 · arxiv_version: 1909.13697v1 · doi: 10.48550/arxiv.1909.13697 · pith_short_12: XXNNUC47KQIX · pith_short_16: XXNNUC47KQIXOD4T · pith_short_8: XXNNUC47

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/XXNNUC47KQIXOD4TWIZE4MDS7D \
  | 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: bddada0b9f5411770f93b2324e3072f8c1967c7508e419049c95e0a980062f0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdf84b9a54a46f9f4b7a7c6d57c3eaa937b725a261802a6d60b74482cab6beee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2019-09-30T13:50:15Z",
    "title_canon_sha256": "9095a29e3dd1b4ab68561d360986118ac03893975da6be586a3573c3e0935f92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.13697",
    "kind": "arxiv",
    "version": 1
  }
}