Pith Number

pith:WLA3OENK

pith:2022:WLA3OENKPKPOFA5Y4UYVBB4J4Y

not attested not anchored not stored refs pending

A Propos Crossing the Hertzsprung Gap

Alfred Gautschy

arxiv:2209.11502 v1 · 2022-09-23 · 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{WLA3OENKPKPOFA5Y4UYVBB4J4Y}

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

Implications of a turbulent convection model for classical Cepheids

Receipt and verification

First computed	2026-07-05T05:00:21.752712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2c1b711aa7a9ee283b8e531508789e639d818ab31bc7f93b04a1e30b6daa637

Aliases

arxiv: 2209.11502 · arxiv_version: 2209.11502v1 · doi: 10.48550/arxiv.2209.11502 · pith_short_12: WLA3OENKPKPO · pith_short_16: WLA3OENKPKPOFA5Y · pith_short_8: WLA3OENK

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/WLA3OENKPKPOFA5Y4UYVBB4J4Y \
  | 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: b2c1b711aa7a9ee283b8e531508789e639d818ab31bc7f93b04a1e30b6daa637

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed33ca0af0b32ef7b550f3ce913f51a5250cd3b1749a237c1b5360dd98357f9b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-09-23T10:03:26Z",
    "title_canon_sha256": "89180e95c8fb8fc9189451a8edb37e44e6f6c9297108f255a11f9ab3ef078da7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.11502",
    "kind": "arxiv",
    "version": 1
  }
}