Pith Number

pith:OPFSIP6A

pith:2024:OPFSIP6AYC6OILA7ERVYBYZ36P

not attested not anchored not stored refs pending

Images of Betelgeuse with VLTI/MATISSE across the Great Dimming

A. Chiavassa, A. de Koter, A. Matter, A. Meilland, B. Lopez, C. Paladini, D.Schertl, E. Cannon, E. Pantin W.C. Danchi, F. Allouche, F. Millour, G. Weigelt, G.Zins P.Abraham, J. Drevon, J. Leftley, J. Varga, J. W. Isbell, J. Woillez, K.-H. Hofmann, L. Labadie, M. Montarg\`es, M.R. Hogerheijde, P.Berio, P. Cruzal\`ebes, P. Scicluna, P.Stee, R.Petrov, R. van Boekel, R.Waters, S. Lagarde, S.Robbe-Dubois, Th.Henningm J. Hron, V. Gamez Rosas, W. Jaffe

arxiv:2401.12404 v1 · 2024-01-22 · 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{OPFSIP6AYC6OILA7ERVYBYZ36P}

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	2026-07-05T07:36:30.369870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73cb243fc0c0bce42c1f246b80e33bf3f045a50d9117c00b4cc87a101fd04213

Aliases

arxiv: 2401.12404 · arxiv_version: 2401.12404v1 · doi: 10.48550/arxiv.2401.12404 · pith_short_12: OPFSIP6AYC6O · pith_short_16: OPFSIP6AYC6OILA7 · pith_short_8: OPFSIP6A

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/OPFSIP6AYC6OILA7ERVYBYZ36P \
  | 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: 73cb243fc0c0bce42c1f246b80e33bf3f045a50d9117c00b4cc87a101fd04213

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "414ceafc979c1abc503e1f938bee2b438e7d6849f53ee675239789ceb3d96b14",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-01-22T23:32:36Z",
    "title_canon_sha256": "618ac3dc195498d6a81a8e4f1d3ff51f2af218469d10da4c1d7414659ffb2b70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.12404",
    "kind": "arxiv",
    "version": 1
  }
}