Pith Number

pith:R53ENN7I

pith:2009:R53ENN7IYOLFAB32TQSKQI224U

not attested not anchored not stored refs pending

The circumstellar envelopes of the Cepheids L Car and RS Pup - Comparative study in the infrared with Spitzer, VLT/VISIR and VLTI/MIDI

Alexandre Gallenne (LESIA, Antoine M\'erand (ESO), ESO), Pierre Kervella (LESIA)

arxiv:0902.1588 v1 · 2009-02-10 · 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{R53ENN7IYOLFAB32TQSKQI224U}

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	2026-05-18T02:35:01.217406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f7646b7e8c39650077a9c24a8235ae501e1a891af43cac315f46d3e8e2c1578

Aliases

arxiv: 0902.1588 · arxiv_version: 0902.1588v1 · doi: 10.48550/arxiv.0902.1588 · pith_short_12: R53ENN7IYOLF · pith_short_16: R53ENN7IYOLFAB32 · pith_short_8: R53ENN7I

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/R53ENN7IYOLFAB32TQSKQI224U \
  | 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: 8f7646b7e8c39650077a9c24a8235ae501e1a891af43cac315f46d3e8e2c1578

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8b0c549617b2d47e9a14380aefd696edfc742a33ad17de30b4364e5610287f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-02-10T06:45:34Z",
    "title_canon_sha256": "242114e8e7e767beb0c124c54230d12882a0f4dc75f8be797c187df05b96ccbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1588",
    "kind": "arxiv",
    "version": 1
  }
}