Pith Number

pith:ULVVVRYR

pith:2010:ULVVVRYR5CZOSYFFFRAI3HJ3IJ

not attested not anchored not stored refs pending

Extreme Climate Variations from Milankovitch-like Eccentricity Oscillations in Extrasolar Planetary Systems

David S. Spiegel

arxiv:1010.2197 v1 · 2010-10-11 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ULVVVRYR5CZOSYFFFRAI3HJ3IJ}

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	2026-05-18T04:39:29.448358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2eb5ac711e8b2e960a52c408d9d3b4265e72b0fd78958cdebfca29f5292e0a2

Aliases

arxiv: 1010.2197 · arxiv_version: 1010.2197v1 · doi: 10.48550/arxiv.1010.2197 · pith_short_12: ULVVVRYR5CZO · pith_short_16: ULVVVRYR5CZOSYFF · pith_short_8: ULVVVRYR

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/ULVVVRYR5CZOSYFFFRAI3HJ3IJ \
  | 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: a2eb5ac711e8b2e960a52c408d9d3b4265e72b0fd78958cdebfca29f5292e0a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "155855f15f61e8dfb320fe9050be42f76cea39ba208ce3b640c024484b6d672c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-10-11T19:44:27Z",
    "title_canon_sha256": "a779f5e518c8482ceffa6660b7704aabf675a60e98b8bd65bf95db013b147b32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.2197",
    "kind": "arxiv",
    "version": 1
  }
}