Pith Number

pith:3AITOFR3

pith:2021:3AITOFR327Q6ALIFO7WBLIQ5LH

not attested not anchored not stored refs pending

Non-radial modes in classical Cepheids. What to look for in spectroscopy?

H. Netzel, K. Kolenberg

arxiv:2111.03104 v1 · 2021-11-04 · 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{3AITOFR327Q6ALIFO7WBLIQ5LH}

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

Pulsation periods reveal tension between theoretical and empirical radii for classical Cepheids in eclipsing binary systems

Receipt and verification

First computed	2026-07-05T03:29:20.808475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d81137163bd7e1e02d0577ec15a21d59e7ef3e42080a9cdda58e99eff78b35b5

Aliases

arxiv: 2111.03104 · arxiv_version: 2111.03104v1 · doi: 10.48550/arxiv.2111.03104 · pith_short_12: 3AITOFR327Q6 · pith_short_16: 3AITOFR327Q6ALIF · pith_short_8: 3AITOFR3

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/3AITOFR327Q6ALIFO7WBLIQ5LH \
  | 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: d81137163bd7e1e02d0577ec15a21d59e7ef3e42080a9cdda58e99eff78b35b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae678c13e5ad71dba38e2fa34cd0459022ae0a2278f319854caa3474ae4d393b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-11-04T18:51:48Z",
    "title_canon_sha256": "5a400e2d2a3312cd488a0934bb27e50ec3af3ba36455c04c6cf6ef03c790e6d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.03104",
    "kind": "arxiv",
    "version": 1
  }
}