Pith Number

pith:BPHTGWSL

pith:2018:BPHTGWSLWGUWWZUV7P6AWJW55K

not attested not anchored not stored refs pending

Characterizing K2 Candidate Planetary Systems Orbiting Low-Mass Stars III: A High Mass & Low Envelope Fraction for the Warm Neptune K2-55b

Andrew W. Howard, Benjamin J. Fulton, Bj\"orn Benneke, Charles A. Beichman, Courtney D. Dressing, David R. Ciardi, Erica Gonzales, Eric D. Lopez, Erik A. Petigura, Evan Sinukoff, Heather A. Knutson, Howard Isaacson, Ian J. M. Crossfield, Jessica Krick, Jessie L.Christiansen, John Livingston, Joshua E. Schlieder, Justin R. Crepp, Kevin Hardegree-Ullman, Konstantin Batygin, Lauren M. Weiss, Lea A. Hirsch, Michael Werner, Molly Kosiarek, Rachel L. Akeson, Varoujan Gorjian

arxiv:1804.05148 v2 · 2018-04-14 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BPHTGWSLWGUWWZUV7P6AWJW55K}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:08:42.422540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bcf335a4bb1a96b6695fbfc0b26ddea8dc1c9f1a55467f9373578d57e7caaaa

Aliases

arxiv: 1804.05148 · arxiv_version: 1804.05148v2 · doi: 10.48550/arxiv.1804.05148 · pith_short_12: BPHTGWSLWGUW · pith_short_16: BPHTGWSLWGUWWZUV · pith_short_8: BPHTGWSL

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/BPHTGWSLWGUWWZUV7P6AWJW55K \
  | 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: 0bcf335a4bb1a96b6695fbfc0b26ddea8dc1c9f1a55467f9373578d57e7caaaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd798f10eea5ca6218811f7c046c0804a62a9d23f7c052aef5b2e3fbdf3c701d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-04-14T02:26:04Z",
    "title_canon_sha256": "93766e80380f827c867421b20100145d664f034c568a1c21dac2c73a1257b9c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05148",
    "kind": "arxiv",
    "version": 2
  }
}