Pith Number

pith:BTQB2VS5

pith:2013:BTQB2VS5ECIQAGP5HIFB74QTJE

not attested not anchored not stored refs pending

Understanding the dynamical structure of pulsating stars: The Baade-Wesselink projection factor of the delta Scuti stars AI Vel and beta Cas

A. Domiciano De Souza, A. Fokin, D. Mourard, E. Poretti, G. Guiglion, M. Rainer, N. Nardetto, P. Mathias, W.Gieren

arxiv:1301.2475 v1 · 2013-01-11 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BTQB2VS5ECIQAGP5HIFB74QTJE}

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	2026-05-18T03:36:37.827071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ce01d565d20910019fd3a0a1ff21349084a00ae85ace689d11c2b1571de5a54

Aliases

arxiv: 1301.2475 · arxiv_version: 1301.2475v1 · doi: 10.48550/arxiv.1301.2475 · pith_short_12: BTQB2VS5ECIQ · pith_short_16: BTQB2VS5ECIQAGP5 · pith_short_8: BTQB2VS5

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/BTQB2VS5ECIQAGP5HIFB74QTJE \
  | 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: 0ce01d565d20910019fd3a0a1ff21349084a00ae85ace689d11c2b1571de5a54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4bdd6ef2003325d0db4fc09392682685337dcfe9dbd72a29328b7ece07a85af",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-01-11T12:26:31Z",
    "title_canon_sha256": "628340fa1445eaf94a789c4ffed173a255fe79f4be26979f70f7e44cec8a87c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2475",
    "kind": "arxiv",
    "version": 1
  }
}