Pith Number

pith:VJ6HBMAV

pith:2015:VJ6HBMAVC2HUHNPNALCGRZW7BI

not attested not anchored not stored refs pending

Simple nonlinear models suggest variable star universality

Behnam Kia, John F. Lindner, John G. Learned, Michael Hippke, Vivek Kohar, William L. Ditto

arxiv:1510.04719 v1 · 2015-10-15 · astro-ph.SR · nlin.CD

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VJ6HBMAVC2HUHNPNALCGRZW7BI}

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	2026-05-18T01:10:09.847061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa7c70b015168f43b5ed02c468e6df0a3470b09ca8f36d223890818c59eace97

Aliases

arxiv: 1510.04719 · arxiv_version: 1510.04719v1 · doi: 10.48550/arxiv.1510.04719 · pith_short_12: VJ6HBMAVC2HU · pith_short_16: VJ6HBMAVC2HUHNPN · pith_short_8: VJ6HBMAV

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/VJ6HBMAVC2HUHNPNALCGRZW7BI \
  | 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: aa7c70b015168f43b5ed02c468e6df0a3470b09ca8f36d223890818c59eace97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfb73d79485b15f3aa788d2df1c19bef9a5282c38d6bfa98c48c81876a0e9d8a",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-10-15T21:17:30Z",
    "title_canon_sha256": "0539f78807cca01b29abd7a841023d6b25a15923752c2b6d5f663a5bb10d0554"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04719",
    "kind": "arxiv",
    "version": 1
  }
}