Pith Number

pith:55QWFHXV

pith:2011:55QWFHXVYNOAR4DRHP6ELVYY4V

not attested not anchored not stored refs pending

Theory of planet formation and comparison with observation: Formation of the planetary mass-radius relationship

C. Mordasini, H. Klahr, W. Benz, Y. Alibert

arxiv:1102.4146 v1 · 2011-02-21 · 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{55QWFHXVYNOAR4DRHP6ELVYY4V}

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	2026-05-18T02:03:07.282466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef61629ef5c35c08f0713bfc45d718e5515b90b9a2053eb3b8dc511151d47d22

Aliases

arxiv: 1102.4146 · arxiv_version: 1102.4146v1 · doi: 10.48550/arxiv.1102.4146 · pith_short_12: 55QWFHXVYNOA · pith_short_16: 55QWFHXVYNOAR4DR · pith_short_8: 55QWFHXV

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/55QWFHXVYNOAR4DRHP6ELVYY4V \
  | 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: ef61629ef5c35c08f0713bfc45d718e5515b90b9a2053eb3b8dc511151d47d22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "743debbade99f429b75aa3b65e1e3ba81c989530b5f987193dffef4753c44bc6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-02-21T06:24:20Z",
    "title_canon_sha256": "d8e5638f4ec476c2e528e8009dd0d560980eed878771c3049de9d73fc1ca972a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4146",
    "kind": "arxiv",
    "version": 1
  }
}