Pith Number

pith:EFTYF3JO

pith:2006:EFTYF3JOMI6D3TMQPBMW45QDYG

not attested not anchored not stored refs pending

Variability in red supergiant stars: pulsations, long secondary periods and convection noise

Gy.M. Szabo, L.L. Kiss, T.R. Bedding

arxiv:astro-ph/0608438 v1 · 2006-08-21 · 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{EFTYF3JOMI6D3TMQPBMW45QDYG}

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

Stellar evolution through the Red Supergiant phase

Receipt and verification

First computed	2026-07-04T16:59:17.248653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

216782ed2e623c3dcd9078596e7603c183303633dceb84eb3adecef7956c5bc8

Aliases

arxiv: astro-ph/0608438 · arxiv_version: astro-ph/0608438v1 · doi: 10.48550/arxiv.astro-ph/0608438 · pith_short_12: EFTYF3JOMI6D · pith_short_16: EFTYF3JOMI6D3TMQ · pith_short_8: EFTYF3JO

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/EFTYF3JOMI6D3TMQPBMW45QDYG \
  | 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: 216782ed2e623c3dcd9078596e7603c183303633dceb84eb3adecef7956c5bc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c05eee6184af2786286a111ec92ff059191617eb0034b61271e2a444c14234ba",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-08-21T17:14:10Z",
    "title_canon_sha256": "7601eb6cfcc863c64759a8ad63c9a96ec47c165a47a117f0ba4984536c036dc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0608438",
    "kind": "arxiv",
    "version": 1
  }
}