Pith Number

pith:4DNNB666

pith:2004:4DNNB666O77GGP2Z55M3ODCK3G

not attested not anchored not stored refs pending

How special is the Solar System?

(2) STScI, (3) Cambridge), A.R. King (1), M.E. Beer (1), M. Livio (2) & J.E. Pringle (3) ((1) Leicester

arxiv:astro-ph/0407476 v1 · 2004-07-22 · astro-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{4DNNB666O77GGP2Z55M3ODCK3G}

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	2026-07-04T16:44:22.181334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0dad0fbde77fe633f59ef59b70c4ad98ec1bb82e1a0d5b80b8549e4a4ca175a

Aliases

arxiv: astro-ph/0407476 · arxiv_version: astro-ph/0407476v1 · doi: 10.48550/arxiv.astro-ph/0407476 · pith_short_12: 4DNNB666O77G · pith_short_16: 4DNNB666O77GGP2Z · pith_short_8: 4DNNB666

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/4DNNB666O77GGP2Z55M3ODCK3G \
  | 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: e0dad0fbde77fe633f59ef59b70c4ad98ec1bb82e1a0d5b80b8549e4a4ca175a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5d6c6e2ec4536a0e3ea1b1b5d55a0848006776df7e91fad6e6b3d811fb6dd76",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-07-22T13:22:48Z",
    "title_canon_sha256": "cd5c3a1f3da0bccdd4a71445f300913c40d7c80feb8499f85704e0f075721855"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0407476",
    "kind": "arxiv",
    "version": 1
  }
}