Pith Number

pith:BZKJFK5B

pith:2010:BZKJFK5B7MFCE6ZQLBNASDG4O7

not attested not anchored not stored refs pending

Discovery of a 1.6-year Magnetic Activity Cycle in the Exoplanet Host Star iota Horologii

D.R. Soderblom, M. Knoelker, M. Rempel, P.G. Judge, S. Basu, S. Mathur, T.J. Henry, T.S. Metcalfe

arxiv:1009.5399 v2 · 2010-09-27 · astro-ph.SR · astro-ph.EP

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T04:37:21.867514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e5492aba1fb0a227b30585a090cdc77f513f90087c5794710e972afaa343c4e

Aliases

arxiv: 1009.5399 · arxiv_version: 1009.5399v2 · doi: 10.48550/arxiv.1009.5399

Agent API

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/BZKJFK5B7MFCE6ZQLBNASDG4O7 \
  | 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: 0e5492aba1fb0a227b30585a090cdc77f513f90087c5794710e972afaa343c4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44f51f43eb9a9fd287d26ff66b945133adfb49a1bc56290dd73db33bb07e8b97",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-27T21:00:48Z",
    "title_canon_sha256": "762337d763650e0d269ad5c3db02c4f84e851c77fa370a80b2912d74085a3e83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5399",
    "kind": "arxiv",
    "version": 2
  }
}