Pith Number

pith:4XUBUAXU

pith:2015:4XUBUAXUJ3FKVG34KAMTJWOPQ5

not attested not anchored not stored refs pending

Investigating Cepheid $\ell$ Carinae's Cycle-to-cycle Variations via Contemporaneous Velocimetry and Interferometry

A. Gallenne, A. M\'erand, J.-B. LeBouquin, J. Breitfelder, L. Eyer, L. Palaversa, N. Mowlavi, P. Kervella, R.I. Anderson, S. Saesen, T. Semaan

arxiv:1511.07089 v1 · 2015-11-23 · astro-ph.SR · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4XUBUAXUJ3FKVG34KAMTJWOPQ5}

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	2026-05-18T01:23:54.017411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5e81a02f44ecaaa9b7c501934d9cf877ad214150cf8721efad7344d8722fcb2

Aliases

arxiv: 1511.07089 · arxiv_version: 1511.07089v1 · doi: 10.48550/arxiv.1511.07089 · pith_short_12: 4XUBUAXUJ3FK · pith_short_16: 4XUBUAXUJ3FKVG34 · pith_short_8: 4XUBUAXU

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/4XUBUAXUJ3FKVG34KAMTJWOPQ5 \
  | 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: e5e81a02f44ecaaa9b7c501934d9cf877ad214150cf8721efad7344d8722fcb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5d75d32eb903be69375225f06fff44bfe8e81e7d7d5179da246b5b211948e3e",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-11-23T00:23:03Z",
    "title_canon_sha256": "0ba14b25ccbeb95360cf4e2b3435880a9b6dc8fbcaaf060c09aa1bae0872dc7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.07089",
    "kind": "arxiv",
    "version": 1
  }
}