Pith Number

pith:N7NIR3VD

pith:2008:N7NIR3VDRPIO25YBEI5TVXPZ3L

not attested not anchored not stored refs pending

Using SPICA Space Telescope to characterize Exoplanets

A. Boccaletti, A.D. Aylward, A. Leger, B. Swinyard, D.M. Stam, D. Pinfield, F. Najarro, F. Selsis, G. Tinetti, G. White, H. Jones, H. Lammer, J. Cernicharo, J. Cho, J. Mart\'in-Pintado, J.P. Beaulieu, J.R. Goicoechea, J. Schneider, J. Tennyson, K. Enya, K.G. Isaak, M. Barlow, M. Ferlet, M.Tamura, M. Wyatt, R. Claudi, S. Miller, S. Viti, T. Nakagawa

arxiv:0809.0242 v2 · 2008-09-01 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N7NIR3VDRPIO25YBEI5TVXPZ3L}

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	2026-07-04T15:14:16.339381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fda88eea38bd0ed7701223b3addf9dac2b0491519ca968939374248d68b7048

Aliases

arxiv: 0809.0242 · arxiv_version: 0809.0242v2 · doi: 10.48550/arxiv.0809.0242 · pith_short_12: N7NIR3VDRPIO · pith_short_16: N7NIR3VDRPIO25YB · pith_short_8: N7NIR3VD

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/N7NIR3VDRPIO25YBEI5TVXPZ3L \
  | 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: 6fda88eea38bd0ed7701223b3addf9dac2b0491519ca968939374248d68b7048

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c8488d041eac817c7c81d407b511c5ab73c8b61538836b668390936f310c80c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-01T13:34:34Z",
    "title_canon_sha256": "ca5e4931d759b5b4b1b4034de4c6496a91ea7835326fe0064d3ef38256b25a8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.0242",
    "kind": "arxiv",
    "version": 2
  }
}