Pith Number

pith:4FPBP72F

pith:2017:4FPBP72F2VLWUNHFNPPZP7AXPG

not attested not anchored not stored refs pending

Regulus observed with VLTI/AMBER

A. Spang, M. Hadjara, P. Cruzal\`ebes, R. G. Petrov, S. Jankov, S. Lagarde

arxiv:1712.03584 v1 · 2017-12-10 · 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{4FPBP72F2VLWUNHFNPPZP7AXPG}

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	2026-05-18T00:28:20.718909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e15e17ff45d5576a34e56bdf97fc17798cac5d619ebf43249185880c89bfe4ae

Aliases

arxiv: 1712.03584 · arxiv_version: 1712.03584v1 · doi: 10.48550/arxiv.1712.03584 · pith_short_12: 4FPBP72F2VLW · pith_short_16: 4FPBP72F2VLWUNHF · pith_short_8: 4FPBP72F

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/4FPBP72F2VLWUNHFNPPZP7AXPG \
  | 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: e15e17ff45d5576a34e56bdf97fc17798cac5d619ebf43249185880c89bfe4ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65b2bf5c2e85d413bb346a0d6c207f0bce59f10c753ab2d111d7a5e838437b00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-12-10T20:29:19Z",
    "title_canon_sha256": "ddcf424819eebe8f783cd27fc0327134c946c464c669bfe6e2742635f9a7a37e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03584",
    "kind": "arxiv",
    "version": 1
  }
}