Pith Number

pith:23UK3742

pith:2009:23UK3742PVSPABLEXS4QCMGLNZ

not attested not anchored not stored refs pending

A Study of the Accuracy of Mass-Radius Relationships for Silicate-Rich and Ice-Rich Planets up to 100 Earth Masses

C. Sotin, J. Schneider, O. Grasset

arxiv:0902.1640 v1 · 2009-02-10 · 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{23UK3742PVSPABLEXS4QCMGLNZ}

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	2026-05-18T04:29:16.684277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6e8adff9a7d64f00564bcb90130cb6e5c092fbaba46a493a98623cd14e898da

Aliases

arxiv: 0902.1640 · arxiv_version: 0902.1640v1 · doi: 10.48550/arxiv.0902.1640 · pith_short_12: 23UK3742PVSP · pith_short_16: 23UK3742PVSPABLE · pith_short_8: 23UK3742

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/23UK3742PVSPABLEXS4QCMGLNZ \
  | 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: d6e8adff9a7d64f00564bcb90130cb6e5c092fbaba46a493a98623cd14e898da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aeac83f680a32b5ae0906f98cd667bc49305ad4652bc54f8343c52c99e194bdf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-02-10T12:21:35Z",
    "title_canon_sha256": "da599c4f388e94c8b079d17184072b31166962a777587b014204b73d34cea55a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1640",
    "kind": "arxiv",
    "version": 1
  }
}