Pith Number

pith:JOCO4GEL

pith:2009:JOCO4GELSKADSDLM2PG7SUJD75

not attested not anchored not stored refs pending

Studies of Expolanets and Solar Systems with SPICA

(10) Rutherford Appleton Laboratory), (2) National Astronomical Observatory of Japan, (3) Japan Aerospace Exploration Agency, (4) Osaka University, (5) Kanagawa University, (6) Ibaraki University, (7) University of Tokyo, (8) Centro de Astrobiologia (CSIC-INTA), (9) Cardiff University, Academia Sinica, Astrophysics, Bruce Swinyard (10) ((1) Institute of Astronomy, Hideo Matsuhara (3), Hirokazu Kataza (3), Javier R. Goicoechea (8), Kate Isaak (9), Keigo Enya (3), Michihiro Takami (1), Misato Fukagawa (4), Mitsuhiko Honda (5), Motohide Tamura (2), Shigehisa Sako (7), Sunao Hasegawa (3), Takafumi Ootsubo (3), Takao Nakagawa (3), Takuya Yamashita (2), Yoshiko Okamoto (6)

arxiv:0911.3974 v1 · 2009-11-20 · astro-ph.IM · 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{JOCO4GELSKADSDLM2PG7SUJD75}

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	2026-05-18T02:10:45.574579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b84ee188b9280390d6cd3cdf95123ff6115aedbef4551af1cb4394daae51dec

Aliases

arxiv: 0911.3974 · arxiv_version: 0911.3974v1 · doi: 10.48550/arxiv.0911.3974 · pith_short_12: JOCO4GELSKAD · pith_short_16: JOCO4GELSKADSDLM · pith_short_8: JOCO4GEL

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/JOCO4GELSKADSDLM2PG7SUJD75 \
  | 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: 4b84ee188b9280390d6cd3cdf95123ff6115aedbef4551af1cb4394daae51dec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fe8315860eb09dc5e190bb4b65a2c34028d86ca85e447dee452e3e778cbf1d5",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-11-20T06:28:16Z",
    "title_canon_sha256": "deefa5cdb82c7317586b41770687db03f8c86eadf12f6de71fadf6c8d4725e3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3974",
    "kind": "arxiv",
    "version": 1
  }
}