Pith Number

pith:XF7BPJVA

pith:2016:XF7BPJVAHPPLEFIJKZOGWJPQOD

not attested not anchored not stored refs pending

Multiplicity of Galactic Cepheids from long-baseline interferometry~III. Sub-percent limits on the relative brightness of a close companion of $\delta$~Cephei

A. Gallenne, A. Merand, G. H. Schaefer, G. Pietrzynski, H. McAlister, J. D. Monnier, J. Sturmann, L. Sturmann, N. Turner, P. Kervella, R. I. Anderson, R. M. Roettenbacher, T. ten Brummelaar, W. Gieren

arxiv:1606.01108 v1 · 2016-06-03 · 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{XF7BPJVAHPPLEFIJKZOGWJPQOD}

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	2026-05-18T01:10:29.315877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b97e17a6a03bdeb21509565c6b25f070efb7b8bf84d394d51668dd002717baca

Aliases

arxiv: 1606.01108 · arxiv_version: 1606.01108v1 · doi: 10.48550/arxiv.1606.01108 · pith_short_12: XF7BPJVAHPPL · pith_short_16: XF7BPJVAHPPLEFIJ · pith_short_8: XF7BPJVA

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/XF7BPJVAHPPLEFIJKZOGWJPQOD \
  | 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: b97e17a6a03bdeb21509565c6b25f070efb7b8bf84d394d51668dd002717baca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9635a384e73552122a15cabe4bd51f931e52f03a8c3d7cf6802dff238ba14e9d",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-06-03T14:39:04Z",
    "title_canon_sha256": "a36230ed9c67b3e5508b7f6aa060d724bca5ee8c8a04ba3b1d2598e199ad6f66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.01108",
    "kind": "arxiv",
    "version": 1
  }
}