Pith Number

pith:MJ2VEWH3

pith:2012:MJ2VEWH3OD3ADK4X4DJQQEOLS7

not attested not anchored not stored refs pending

What do we Really Know about Uranus and Neptune?

Morris Podolak, Ravit Helled

arxiv:1208.5551 v1 · 2012-08-28 · 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{MJ2VEWH3OD3ADK4X4DJQQEOLS7}

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	2026-05-18T01:54:51.009593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62755258fb70f601ab97e0d30811cb97ffd85754cdae18355999450acaa73b8e

Aliases

arxiv: 1208.5551 · arxiv_version: 1208.5551v1 · doi: 10.48550/arxiv.1208.5551 · pith_short_12: MJ2VEWH3OD3A · pith_short_16: MJ2VEWH3OD3ADK4X · pith_short_8: MJ2VEWH3

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/MJ2VEWH3OD3ADK4X4DJQQEOLS7 \
  | 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: 62755258fb70f601ab97e0d30811cb97ffd85754cdae18355999450acaa73b8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c4a31850f61dada8c1aaee798e3ac8d317e258341d69e8798b4e10c2b8f2193",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-08-28T04:01:09Z",
    "title_canon_sha256": "c070d56c648f973c27b239046c5aa2a2f47d3244b22e9e4763be0bcae8dac659"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5551",
    "kind": "arxiv",
    "version": 1
  }
}