Pith Number

pith:H4NPS6SX

pith:2020:H4NPS6SX3O3TQ2ZJCYRSIX2HGL

not attested not anchored not stored refs pending

Differential Speckle Polarimetry of Betelgeuse in 2019-2020: the rise is different from the fall

Alexandr Dodin, Anna Fedoteva, Boris Safonov, Ivan Strakhov, Maria Goliguzova, Marina Burlak, Olga Voziakova, Sergei Lamzin, Sergei Zheltoukhov

arxiv:2005.05215 v1 · 2020-05-11 · 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{H4NPS6SX3O3TQ2ZJCYRSIX2HGL}

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.

Cited by

1 paper in Pith

Betelgeuse, the Prototypical Red Supergiant

Receipt and verification

First computed	2026-07-05T01:01:58.158954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f1af97a57dbb7386b291623245f4732d6e3bd7cdd295dfc43b12a3b286ac326

Aliases

arxiv: 2005.05215 · arxiv_version: 2005.05215v1 · doi: 10.48550/arxiv.2005.05215 · pith_short_12: H4NPS6SX3O3T · pith_short_16: H4NPS6SX3O3TQ2ZJ · pith_short_8: H4NPS6SX

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/H4NPS6SX3O3TQ2ZJCYRSIX2HGL \
  | 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: 3f1af97a57dbb7386b291623245f4732d6e3bd7cdd295dfc43b12a3b286ac326

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4eb556e2db6854a68ab8d168e86eb9959644e236776396080a5196c84e24cb38",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-05-11T16:05:59Z",
    "title_canon_sha256": "ad2824eece7de0f269c9d452de7e0331d9a2ee70d6c8d3794bd82aadbfcfff6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.05215",
    "kind": "arxiv",
    "version": 1
  }
}