Pith Number

pith:HE4GHU32

pith:2013:HE4GHU32ROBJXTNOKQCKG3VPE5

not attested not anchored not stored refs pending

A Rocky Composition for an Earth-sized Exoplanet

Andrew W. Howard, Benjamin J. Fulton, Debra A. Fischer, Evan Sinukoff, Geoffrey W. Marcy, Howard Isaacson, John Asher Johnson, Jonathan J. Fortney, Joshua N. Winn, Roberto Sanchis-Ojeda

arxiv:1310.7988 v1 · 2013-10-30 · 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{HE4GHU32ROBJXTNOKQCKG3VPE5}

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	2026-05-18T03:08:26.344966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

393863d37a8b829bcdae5404a36eaf2758f7e12008bcf659731a9d494fb1bc63

Aliases

arxiv: 1310.7988 · arxiv_version: 1310.7988v1 · doi: 10.48550/arxiv.1310.7988 · pith_short_12: HE4GHU32ROBJ · pith_short_16: HE4GHU32ROBJXTNO · pith_short_8: HE4GHU32

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/HE4GHU32ROBJXTNOKQCKG3VPE5 \
  | 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: 393863d37a8b829bcdae5404a36eaf2758f7e12008bcf659731a9d494fb1bc63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d0f7393c0b984d44799da616e27b104718d3a39f776a665ce60d88fb61982db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-10-30T00:19:39Z",
    "title_canon_sha256": "505d2dcda61c16b9578706821ac825de1889e23184a15eaad65aebcf6918dfc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.7988",
    "kind": "arxiv",
    "version": 1
  }
}