Pith Number

pith:NTTN4MWA

pith:2013:NTTN4MWAE7WVHVJMLT2EFNC6OG

not attested not anchored not stored refs pending

Mass-Radius Relationships for Very Low Mass Gaseous Planets

David J. Stevenson, Konstantin Batygin

arxiv:1304.5157 v1 · 2013-04-18 · 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{NTTN4MWAE7WVHVJMLT2EFNC6OG}

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	2026-05-18T01:50:31.084792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ce6de32c027ed53d52c5cf442b45e718b1e3ba6ced637ccd7f935997cae0340

Aliases

arxiv: 1304.5157 · arxiv_version: 1304.5157v1 · doi: 10.48550/arxiv.1304.5157 · pith_short_12: NTTN4MWAE7WV · pith_short_16: NTTN4MWAE7WVHVJM · pith_short_8: NTTN4MWA

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/NTTN4MWAE7WVHVJMLT2EFNC6OG \
  | 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: 6ce6de32c027ed53d52c5cf442b45e718b1e3ba6ced637ccd7f935997cae0340

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "424e342b3bcc50193543a7d86a82a834306b9abd7908b79cf51b118088577560",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-04-18T15:07:00Z",
    "title_canon_sha256": "b5e0a9d64e874d9531f13d52f5133a898e2827e4116b66673ea11d8d33f6d847"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5157",
    "kind": "arxiv",
    "version": 1
  }
}