Pith Number

pith:G4AY2LEU

pith:2017:G4AY2LEUFX6KVRHAWG54R4C5BV

not attested not anchored not stored refs pending

Three planets around HD 27894. A close-in pair with a 2:1 period ratio and an eccentric Jovian planet at 5.4 AU

F. Rodler, M. H. Lee, M. K\"urster, M. Zechmeister, O. V. Zakhozhay, S. Reffert, S. S. Brems, S. S. Vogt, T. Trifonov

arxiv:1706.00509 v1 · 2017-06-01 · 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{G4AY2LEUFX6KVRHAWG54R4C5BV}

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	2026-05-18T00:42:28.456506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37018d2c942dfcaac4e0b1bbc8f05d0d4865b0b9c6d510d76157474df62fdf50

Aliases

arxiv: 1706.00509 · arxiv_version: 1706.00509v1 · doi: 10.48550/arxiv.1706.00509 · pith_short_12: G4AY2LEUFX6K · pith_short_16: G4AY2LEUFX6KVRHA · pith_short_8: G4AY2LEU

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/G4AY2LEUFX6KVRHAWG54R4C5BV \
  | 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: 37018d2c942dfcaac4e0b1bbc8f05d0d4865b0b9c6d510d76157474df62fdf50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e13dfbf38855b762a4aab6250daa1ef71d38757771d970693c64b254ca3cfdf2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-06-01T22:07:20Z",
    "title_canon_sha256": "c917686387e8f0c770e7dadd7a2969248a0cf5251393f8a578a5f1782a0e2ea9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.00509",
    "kind": "arxiv",
    "version": 1
  }
}