Pith Number

pith:NURIYMUI

pith:2024:NURIYMUIBCZYRFGAGAJYUT2NFY

not attested not anchored not stored refs pending

Eta-Earth Revisited II: Deriving a Maximum Number of Earth-like Habitats in the Galactic Disk

Helmut Lammer, Laurenz Spro{\ss}, Manuel Scherf

arxiv:2412.05002 v1 · 2024-12-06 · astro-ph.EP · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NURIYMUIBCZYRFGAGAJYUT2NFY}

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	2026-07-05T09:45:27.218971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d228c328808b38894c030138a4f4d2e1fe11a91287b5568156b36f9494da09d

Aliases

arxiv: 2412.05002 · arxiv_version: 2412.05002v1 · doi: 10.48550/arxiv.2412.05002 · pith_short_12: NURIYMUIBCZY · pith_short_16: NURIYMUIBCZYRFGA · pith_short_8: NURIYMUI

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/NURIYMUIBCZYRFGAGAJYUT2NFY \
  | 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: 6d228c328808b38894c030138a4f4d2e1fe11a91287b5568156b36f9494da09d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5db424f56a5fc0d5e19b4ed8b442d10b54b5dc27d2ce40119aa99ff8e2a8e349",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2024-12-06T12:58:14Z",
    "title_canon_sha256": "40326cb3ed085a0918b960c41bf91bd17463fbad81fd9abcac332acc3006b6aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.05002",
    "kind": "arxiv",
    "version": 1
  }
}