Pith Number

pith:UZ4HVSAU

pith:2009:UZ4HVSAUAODIL7NAZDMY6SPFIE

not attested not anchored not stored refs pending

An Overview of the 13:8 Mean Motion Resonance between Venus and Earth

\'Akos Bazs\'o, Christoph Lhotka, Elke Pilat-Lohinger, Rudolf Dvorak, Veresa Eybl

arxiv:0911.2357 v1 · 2009-11-12 · 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{UZ4HVSAUAODIL7NAZDMY6SPFIE}

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	2026-05-18T02:10:48.379809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6787ac814038685fda0c8d98f49e5411ef7cdf7fe489f650772b29cc6ee21f7

Aliases

arxiv: 0911.2357 · arxiv_version: 0911.2357v1 · doi: 10.48550/arxiv.0911.2357 · pith_short_12: UZ4HVSAUAODI · pith_short_16: UZ4HVSAUAODIL7NA · pith_short_8: UZ4HVSAU

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/UZ4HVSAUAODIL7NAZDMY6SPFIE \
  | 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: a6787ac814038685fda0c8d98f49e5411ef7cdf7fe489f650772b29cc6ee21f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4333e9386ea42a75052110a98e9b04045c6dfa29297bcc05b00266f20481add0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-11-12T10:51:02Z",
    "title_canon_sha256": "0a06d79ea4be2b435add0b7b9c9869906ab51067809ce309b3f5c2254426138c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2357",
    "kind": "arxiv",
    "version": 1
  }
}