Pith Number

pith:FX7K3NTU

pith:2002:FX7K3NTUI26N3MNB2MMBRHPDPD

not attested not anchored not stored refs pending

Luminosities of AGB Variables

Patricia Whitelock

arxiv:astro-ph/0207168 v1 · 2002-07-08 · 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{FX7K3NTUI26N3MNB2MMBRHPDPD}

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	2026-05-18T01:21:57.045152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dfeadb67446bcddb1a1d318189de378c37eeebcc9baea824a020d2878fa3691

Aliases

arxiv: astro-ph/0207168 · arxiv_version: astro-ph/0207168v1 · doi: 10.48550/arxiv.astro-ph/0207168 · pith_short_12: FX7K3NTUI26N · pith_short_16: FX7K3NTUI26N3MNB · pith_short_8: FX7K3NTU

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/FX7K3NTUI26N3MNB2MMBRHPDPD \
  | 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: 2dfeadb67446bcddb1a1d318189de378c37eeebcc9baea824a020d2878fa3691

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be596584da64e91e4dc576e4fc18eee4618648a9a496ef1f11c8a8e00177b3bf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-07-08T15:47:42Z",
    "title_canon_sha256": "664bfbec3092438fdfc27ea30b42afa1b21d17b542dc9b8ec01c2e1e212be003"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0207168",
    "kind": "arxiv",
    "version": 1
  }
}