Pith Number

pith:TRLGX2H7

pith:2011:TRLGX2H7YKNINZTPQWDZ2GXLCD

not attested not anchored not stored refs pending

The Baade-Wesselink p-factor applicable to LMC Cepheids

A. Fokin, D. Mourard, G. Pietrzynski, J. Storm, N. Nardetto, P. Fouqu\'e, P. Kervella, W. Gieren

arxiv:1109.6763 v1 · 2011-09-30 · astro-ph.CO · 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{TRLGX2H7YKNINZTPQWDZ2GXLCD}

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	2026-05-18T04:11:52.525603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c566be8ffc29a86e66f85879d1aeb10e6509b6eb407db10b15f9395383c4ac9

Aliases

arxiv: 1109.6763 · arxiv_version: 1109.6763v1 · doi: 10.48550/arxiv.1109.6763 · pith_short_12: TRLGX2H7YKNI · pith_short_16: TRLGX2H7YKNINZTP · pith_short_8: TRLGX2H7

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/TRLGX2H7YKNINZTPQWDZ2GXLCD \
  | 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: 9c566be8ffc29a86e66f85879d1aeb10e6509b6eb407db10b15f9395383c4ac9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d80575735332a43512e20cc0c062082124b273c6daf5f5a0709d393a060ce793",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-30T09:12:23Z",
    "title_canon_sha256": "afed9c19613c4aafaec04d35c08572a360a876e9a2c126cd5d2e4668e73e6fa0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6763",
    "kind": "arxiv",
    "version": 1
  }
}