Pith. sign in
Pith Number

pith:E4E7AQDO

pith:2021:E4E7AQDOCOEELMU6ICDD56F57E
not attested not anchored not stored refs pending

K2-138 g: Spitzer Spots a Sixth Planet for the Citizen Science System

Bj\"orn Benneke, Courtney D. Dressing, David R. Ciardi, Eric Agol, Geert Barentsen, Ian J. M. Crossfield, Jessie L. Christiansen, John H. Livingston, Kathryn Volk, Kevin K. Hardegree-Ullman, Martti H. Kristiansen, Thomas Barclay, Varoujan Gorjian

arxiv:2102.08978 v1 · 2021-02-17 · astro-ph.EP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{E4E7AQDOCOEELMU6ICDD56F57E}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-05T02:31:53.013654Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2709f0406e138845b29e40863ef8bdf93159ab24ffe3f86db610e15d4d4e4b62

Aliases

arxiv: 2102.08978 · arxiv_version: 2102.08978v1 · doi: 10.48550/arxiv.2102.08978 · pith_short_12: E4E7AQDOCOEE · pith_short_16: E4E7AQDOCOEELMU6 · pith_short_8: E4E7AQDO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/E4E7AQDOCOEELMU6ICDD56F57E \
  | 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: 2709f0406e138845b29e40863ef8bdf93159ab24ffe3f86db610e15d4d4e4b62
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "68bd9f5248259ed3f12cd7bc3304c260d235c0b6a9f30eb5917711db516b8c7f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-02-17T19:08:13Z",
    "title_canon_sha256": "3b1407fa74a920e0536941d97c0cb3956817344d2a02054df0aa63486a368ff5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.08978",
    "kind": "arxiv",
    "version": 1
  }
}