pith. the verified trust layer for science. sign in
Pith Number

pith:HCAAVIAO

pith:2016:HCAAVIAORNHIIUXAI3E63SI4H5
not attested not anchored not stored refs pending

The close circumstellar environment of Betelgeuse. IV. VLTI/PIONIER interferometric monitoring of the photosphere

A. Chiavassa, A. L\'opez-Ariste, G. Perrin, J. B. Le Bouquin, J. P. Berger, M. Auri\`ere, M. Montarg\`es, P. Kervella, P. Mathias, S. Lacour, S. T. Ridgway, X. Haubois

arxiv:1602.05108 v2 · 2016-02-16 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HCAAVIAORNHIIUXAI3E63SI4H5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T01:17:41.377480Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

38800aa00e8b4e8452e046c9edc91c3f4f2cbaae8ee80b17780ff5200531f1af

Aliases

arxiv: 1602.05108 · arxiv_version: 1602.05108v2 · doi: 10.48550/arxiv.1602.05108 · pith_short_12: HCAAVIAORNHI · pith_short_16: HCAAVIAORNHIIUXA · pith_short_8: HCAAVIAO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HCAAVIAORNHIIUXAI3E63SI4H5 \
  | 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: 38800aa00e8b4e8452e046c9edc91c3f4f2cbaae8ee80b17780ff5200531f1af
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ae08e4282b945c316d50679e95e354efbc2061ec252f211b20dc4d5572eee131",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-02-16T17:46:56Z",
    "title_canon_sha256": "880537e19e74ba7369051ba4d73a7a716364c34c9f3df1794f35155e147aaa28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05108",
    "kind": "arxiv",
    "version": 2
  }
}