Pith Number

pith:7O7EYGVV

pith:2009:7O7EYGVVSD3SIWEMZKUCKASOHA

not attested not anchored not stored refs pending

The Physical Properties of Red Supergiants

Emily M. Levesque

arxiv:0911.4720 v1 · 2009-11-24 · 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{7O7EYGVVSD3SIWEMZKUCKASOHA}

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

Dusty stellar sources classification by implementing machine learning methods based on spectroscopic observations in the Magellanic Clouds

Receipt and verification

First computed	2026-07-04T17:16:40.097590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbbe4c1ab590f724588ccaa825024e382fdc69f3d725c1b4356d5a5ba1f05a42

Aliases

arxiv: 0911.4720 · arxiv_version: 0911.4720v1 · doi: 10.48550/arxiv.0911.4720 · pith_short_12: 7O7EYGVVSD3S · pith_short_16: 7O7EYGVVSD3SIWEM · pith_short_8: 7O7EYGVV

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/7O7EYGVVSD3SIWEMZKUCKASOHA \
  | 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: fbbe4c1ab590f724588ccaa825024e382fdc69f3d725c1b4356d5a5ba1f05a42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "475d2e99b38eb66f4d781b40d141e5deaa001ace03fd02a68df9cb54664f5638",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-24T21:00:12Z",
    "title_canon_sha256": "cb2c1d12546b38fec74b664fd0edf769a89b344801d5fda0256fec6e85eb9dfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4720",
    "kind": "arxiv",
    "version": 1
  }
}