Pith Number

pith:MQ4AHX5T

pith:2015:MQ4AHX5T2F6BOLVDR64VSVA6LM

not attested not anchored not stored refs pending

Multidimensional realistic modelling of Cepheid-like variables-II: Analysis of a Cepheid model

Eva Mundprecht, Friedrich Kupka, Herbert J. Muthsam

arxiv:1502.00449 v2 · 2015-02-02 · 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{MQ4AHX5T2F6BOLVDR64VSVA6LM}

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	2026-05-18T02:19:00.397616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

643803dfb3d17c172ea38fb959541e5b209e924d994ea30d21511668a85a99fb

Aliases

arxiv: 1502.00449 · arxiv_version: 1502.00449v2 · doi: 10.48550/arxiv.1502.00449 · pith_short_12: MQ4AHX5T2F6B · pith_short_16: MQ4AHX5T2F6BOLVD · pith_short_8: MQ4AHX5T

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/MQ4AHX5T2F6BOLVDR64VSVA6LM \
  | 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: 643803dfb3d17c172ea38fb959541e5b209e924d994ea30d21511668a85a99fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52b088a0a85b4e1b8c947cf43e29bf9621b0fdc20ce964910b86db1dba0b9e3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-02-02T12:22:55Z",
    "title_canon_sha256": "e6382ee0703c030d356029bc311ecd35c30f0490e2f0469001e909c6001b7cff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00449",
    "kind": "arxiv",
    "version": 2
  }
}