Pith Number

pith:MNCAX3SE

pith:2007:MNCAX3SEQPZRKYERF7V4EARD6A

not attested not anchored not stored refs pending

The age and colors of massive white dwarf stars

A. H. C\'orsico, E. Garc\'ia-Berro, J. Isern, L. G. Althaus, R. D. Rohrmann

arxiv:astro-ph/0702024 v1 · 2007-02-01 · 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{MNCAX3SEQPZRKYERF7V4EARD6A}

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	2026-05-18T01:09:21.688196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63440bee4483f31560912febc20223f02bdd93c5c0ce7229ecdd902ca6830a89

Aliases

arxiv: astro-ph/0702024 · arxiv_version: astro-ph/0702024v1 · doi: 10.48550/arxiv.astro-ph/0702024 · pith_short_12: MNCAX3SEQPZR · pith_short_16: MNCAX3SEQPZRKYER · pith_short_8: MNCAX3SE

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/MNCAX3SEQPZRKYERF7V4EARD6A \
  | 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: 63440bee4483f31560912febc20223f02bdd93c5c0ce7229ecdd902ca6830a89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec78a5b41db01f73e26127b70efcae17623b1a7e70ee39cfc31d374983fc69fe",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-01T13:28:28Z",
    "title_canon_sha256": "d3c21cf363c010d2f967a7e3a682a435173dd97c8d0151cd9c7812bf366b6cfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702024",
    "kind": "arxiv",
    "version": 1
  }
}