Pith Number

pith:5KPON2D3

pith:2024:5KPON2D3YJYRKNVCXO6XRXYS35

not attested not anchored not stored refs pending

The Grass of the Universe: Rethinking Technosphere, Planetary History, and Sustainability with Fermi Paradox

Luk\'a\v{s} Likav\v{c}an

arxiv:2411.08057 v3 · 2024-11-08 · physics.soc-ph · physics.hist-ph · physics.pop-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{5KPON2D3YJYRKNVCXO6XRXYS35}

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.

Cited by

1 paper in Pith

Substrate-Agnostic 3x: Biosignatures, Technosignatures, Ecologies

Receipt and verification

First computed	2026-07-05T09:59:55.270411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea9ee6e87bc2711536a2bbbd78df12df55f93014ecf4e7fc8e1a49076c527437

Aliases

arxiv: 2411.08057 · arxiv_version: 2411.08057v3 · doi: 10.48550/arxiv.2411.08057 · pith_short_12: 5KPON2D3YJYR · pith_short_16: 5KPON2D3YJYRKNVC · pith_short_8: 5KPON2D3

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/5KPON2D3YJYRKNVCXO6XRXYS35 \
  | 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: ea9ee6e87bc2711536a2bbbd78df12df55f93014ecf4e7fc8e1a49076c527437

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8a1dd42ef9f7e38d9b9bb8839d74a15bdc512d9befb63d2ab0ebe1f0375b8ab",
    "cross_cats_sorted": [
      "physics.hist-ph",
      "physics.pop-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2024-11-08T21:33:43Z",
    "title_canon_sha256": "91b79ec3e387cd82dc88318ec4826094bedd50534f6e77391ebc8e5a955e1b4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.08057",
    "kind": "arxiv",
    "version": 3
  }
}