Pith Number

pith:QUCL6H2I

pith:2018:QUCL6H2ILZFLD5ULNFMNTLQJTC

not attested not anchored not stored refs pending

Deep exploration of $\epsilon$ Eridani with Keck Ms-band vortex coronagraphy and radial velocities: mass and orbital parameters of the giant exoplanet

Andrew W. Howard, Benjamin J. Fulton, Brendan Bowler, Carlos Alberto Gomez Gonzalez, Charles Beichman, David Ciardi, Denis Defr\`ere, Dimitri Mawet, Elodie Choquet, Elsa huby, Erik Petigura, Eugene Serabyn, Evan Sinukoff, Eve J. Lee, Garreth Ruane, Geoff Marcy, Howard Isaacson, Jean-Baptiste Ruffio, Ji Wang, Lauren Weiss, Lea Hirsch, Maddalena Reggiani, Marie Ygouf, Marta Bryan, Michael Bottom, Molly Kosiarek, Olivier Absil, Rebecca Jensen-Clem, Tiffany Meshkat, Valentin Christiaens

arxiv:1810.03794 v2 · 2018-10-09 · 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{QUCL6H2ILZFLD5ULNFMNTLQJTC}

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	2026-05-17T23:56:45.355558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8504bf1f485e4ab1f68b6958d9ae0998b020c5cf2ffcf4c8797a524ab8241823

Aliases

arxiv: 1810.03794 · arxiv_version: 1810.03794v2 · doi: 10.48550/arxiv.1810.03794 · pith_short_12: QUCL6H2ILZFL · pith_short_16: QUCL6H2ILZFLD5UL · pith_short_8: QUCL6H2I

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/QUCL6H2ILZFLD5ULNFMNTLQJTC \
  | 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: 8504bf1f485e4ab1f68b6958d9ae0998b020c5cf2ffcf4c8797a524ab8241823

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "314102b32255df60b67928474c8833482d97e0dfc797e6ddd846e52a01f9634d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-10-09T03:29:32Z",
    "title_canon_sha256": "3ecdab14dffcd42b6fff7128178752e3c88f8df185ac2f3bb107fd89763542c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03794",
    "kind": "arxiv",
    "version": 2
  }
}