Pith Number

pith:DBAL2JXX

pith:2013:DBAL2JXX4BIX3JNUAADWPHV2F4

not attested not anchored not stored refs pending

The Mass-Radius Relation for 65 Exoplanets Smaller than 4 Earth Radii

Geoffrey W. Marcy, Lauren M. Weiss

arxiv:1312.0936 v4 · 2013-12-03 · 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{DBAL2JXX4BIX3JNUAADWPHV2F4}

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	2026-05-18T02:58:56.493519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1840bd26f7e0517da5b40007679eba2f245621c0debde82fe74247dd45935638

Aliases

arxiv: 1312.0936 · arxiv_version: 1312.0936v4 · doi: 10.48550/arxiv.1312.0936 · pith_short_12: DBAL2JXX4BIX · pith_short_16: DBAL2JXX4BIX3JNU · pith_short_8: DBAL2JXX

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/DBAL2JXX4BIX3JNUAADWPHV2F4 \
  | 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: 1840bd26f7e0517da5b40007679eba2f245621c0debde82fe74247dd45935638

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22f9c5296c14cf27c850a67bc9da5fa9637b68feda7affab88b6818991359c65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-12-03T20:58:49Z",
    "title_canon_sha256": "7a918b28c04e0ff85df05e62352911b975f8db7e8f7b94e89007e2161d74dfe4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.0936",
    "kind": "arxiv",
    "version": 4
  }
}