Pith Number

pith:6R4FEJJG

pith:2005:6R4FEJJGLANEQPB62RXLNE3Y25

not attested not anchored not stored refs pending

VLTI/VINCI diameter constraints on the evolutionary status of delta Eri, xi Hya, eta Boo

Bernard Pichon (LCCASSPMF), Emmanuel Difolco (ESO), Frederic Th\'evenin (LCCASSPMF), Pierre Kervella (LESIA), Pierre Morel (LCCASSPMF), Yveline Lebreton (GEPI)

arxiv:astro-ph/0501420 v1 · 2005-01-19 · 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{6R4FEJJGLANEQPB62RXLNE3Y25}

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	2026-05-18T01:08:59.178678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f478522526581a483c3ed46eb69378d74de511be0f6a55ead6f48e38df544552

Aliases

arxiv: astro-ph/0501420 · arxiv_version: astro-ph/0501420v1 · doi: 10.48550/arxiv.astro-ph/0501420 · pith_short_12: 6R4FEJJGLANE · pith_short_16: 6R4FEJJGLANEQPB6 · pith_short_8: 6R4FEJJG

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/6R4FEJJGLANEQPB62RXLNE3Y25 \
  | 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: f478522526581a483c3ed46eb69378d74de511be0f6a55ead6f48e38df544552

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ded25d4e4e96115d0b4ff4190e1dc26388d023a5715edf6c088feaf127930cea",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-01-19T18:28:54Z",
    "title_canon_sha256": "efc0bbbf839bc8677e264403d0dd2d466da9bd4c37f2a479f0d28b41d05f1a93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0501420",
    "kind": "arxiv",
    "version": 1
  }
}