Pith Number

pith:LJSIK2NN

pith:2011:LJSIK2NNNLDKG7QSAZSCOTPIPZ

not attested not anchored not stored refs pending

Spectral and photometric analysis of the eclipsing binary epsilon Aurigae prior to and during the 2009-2011 eclipse

Brian Kloppenborg, Christian Buil, Davor Sudar, Hrvoje Bozic, Jeff L. Hopkins, Lenka Kotkova, Marek Wolf, Miroslav Slechta, Pavel Chadima, Petr Harmanec, Petr Skoda, Philip D. Bennett, Robert Stencel, Stevenson Yang, Viktor Votruba

arxiv:1105.0107 v1 · 2011-04-30 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LJSIK2NNNLDKG7QSAZSCOTPIPZ}

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	2026-05-18T02:02:10.695110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a648569ad6ac6a37e120664274de87e55a386c5ac4a5b1d4701bbc269dfa9a5

Aliases

arxiv: 1105.0107 · arxiv_version: 1105.0107v1 · doi: 10.48550/arxiv.1105.0107 · pith_short_12: LJSIK2NNNLDK · pith_short_16: LJSIK2NNNLDKG7QS · pith_short_8: LJSIK2NN

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/LJSIK2NNNLDKG7QSAZSCOTPIPZ \
  | 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: 5a648569ad6ac6a37e120664274de87e55a386c5ac4a5b1d4701bbc269dfa9a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b678e59060346b814d45b7404c3db1befe22481a11fe5795158557da45d09cfb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-04-30T18:28:46Z",
    "title_canon_sha256": "cc76a35202cbb65105d3ba6d2bb6fcda8241894c05d3013c74802a0b3378a380"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0107",
    "kind": "arxiv",
    "version": 1
  }
}