Pith Number

pith:MRY433GY

pith:2019:MRY433GYDHR5HO4ZCC5R3UNDFF

not attested not anchored not stored refs pending

On massive dust clumps in the envelope of the red supergiant VY Canis Majoris

Tomek Kaminski

arxiv:1903.09558 v3 · 2019-03-22 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MRY433GYDHR5HO4ZCC5R3UNDFF}

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

Unveiling the enigma of the Nakashima-Deguchi object (IRAS 19312+1950): a candidate Orion KL analog

Receipt and verification

First computed	2026-05-17T23:41:09.311084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6471cdecd819e3d3bb9910bb1dd1a3296e3e510a7dc1b1f4ed8f62177e7fd565

Aliases

arxiv: 1903.09558 · arxiv_version: 1903.09558v3 · doi: 10.48550/arxiv.1903.09558 · pith_short_12: MRY433GYDHR5 · pith_short_16: MRY433GYDHR5HO4Z · pith_short_8: MRY433GY

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/MRY433GYDHR5HO4ZCC5R3UNDFF \
  | 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: 6471cdecd819e3d3bb9910bb1dd1a3296e3e510a7dc1b1f4ed8f62177e7fd565

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c54564bf934adbe24521862b0449f8033e6119906dd81fe00e6ce1c42aec61f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-03-22T15:31:30Z",
    "title_canon_sha256": "215f2d2419d06746d05edc2c67a2a623d33a8e0d994406d1da60b2741ce47f67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09558",
    "kind": "arxiv",
    "version": 3
  }
}