Pith Number

pith:E7YXTJNN

pith:2002:E7YXTJNNOJGTWGGMH5LTA6KO4D

not attested not anchored not stored refs pending

In flight performance and first results of FREGATE

D. Lagrange, F. Cotin, G. Crew, G. Ricker, G. Rouaix, G. Vedrenne, J. Couteret, J. Doty, J. Evrard, J-F Olive, J-L. Atteia, J-P. Dezalay, K. Hurley, M. Boer, M. Ehanno, M. Niel, N. Butler, P. Souleille, R. Vanderspek

arxiv:astro-ph/0202515 v1 · 2002-02-28 · 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{E7YXTJNNOJGTWGGMH5LTA6KO4D}

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	2026-07-04T16:29:28.687360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27f179a5ad724d3b18cc3f5730794ee0dc25b1b781011039be7eaaf189ff6dde

Aliases

arxiv: astro-ph/0202515 · arxiv_version: astro-ph/0202515v1 · doi: 10.48550/arxiv.astro-ph/0202515 · pith_short_12: E7YXTJNNOJGT · pith_short_16: E7YXTJNNOJGTWGGM · pith_short_8: E7YXTJNN

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/E7YXTJNNOJGTWGGMH5LTA6KO4D \
  | 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: 27f179a5ad724d3b18cc3f5730794ee0dc25b1b781011039be7eaaf189ff6dde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5aa8967ef39c87c763467c5c3abab645ce3e1967135abb986e17a11266452c65",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-02-28T10:26:45Z",
    "title_canon_sha256": "ce3097555d328d6340b14b775e9f3c777310e7b72b539ba5d75dd5def1ccb86e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0202515",
    "kind": "arxiv",
    "version": 1
  }
}