Pith Number

pith:RNNEXY24

pith:2005:RNNEXY24WZF75DWRS4723NNRNP

not attested not anchored not stored refs pending

The Effective Temperature Scale of Galactic Red Supergiants: Cool, But Not As Cool As We Thought

Andre Maeder, Bertrand Plez, Emily M. Levesque, Eric Josselin, Georges Meynet, K. A. G. Olsen, Philip Massey

arxiv:astro-ph/0504337 v1 · 2005-04-15 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RNNEXY24WZF75DWRS4723NNRNP}

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	2026-05-18T04:12:02.790697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b5a4be35cb64bfe8ed1973fadb5b16bf292a439dc8b542e2dab41383f738a20

Aliases

arxiv: astro-ph/0504337 · arxiv_version: astro-ph/0504337v1 · doi: 10.48550/arxiv.astro-ph/0504337 · pith_short_12: RNNEXY24WZF7 · pith_short_16: RNNEXY24WZF75DWR · pith_short_8: RNNEXY24

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/RNNEXY24WZF75DWRS4723NNRNP \
  | 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: 8b5a4be35cb64bfe8ed1973fadb5b16bf292a439dc8b542e2dab41383f738a20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92f77bbac8b3552545b8e7624c345e4e9b4c2f809a75fb84a0fe5521dbc94dcf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-04-15T02:25:47Z",
    "title_canon_sha256": "584c6d1e56caa7871f005d0d4fd9146996915271de5a92005ba8e68748cefda9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0504337",
    "kind": "arxiv",
    "version": 1
  }
}