Pith Number

pith:BB2OPW5I

pith:2011:BB2OPW5IJA6NS6IPOSCQ6FOUVI

not attested not anchored not stored refs pending

New Links between Pulsation and Stellar History

Nancy Remage Evans

arxiv:1112.1046 v1 · 2011-12-05 · 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{BB2OPW5IJA6NS6IPOSCQ6FOUVI}

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	2026-05-18T04:06:57.120262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0874e7dba8483cd9790f74850f15d4aa0a4270ae18fb5993a3b1e0aa0ee34dd7

Aliases

arxiv: 1112.1046 · arxiv_version: 1112.1046v1 · doi: 10.48550/arxiv.1112.1046 · pith_short_12: BB2OPW5IJA6N · pith_short_16: BB2OPW5IJA6NS6IP · pith_short_8: BB2OPW5I

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/BB2OPW5IJA6NS6IPOSCQ6FOUVI \
  | 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: 0874e7dba8483cd9790f74850f15d4aa0a4270ae18fb5993a3b1e0aa0ee34dd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cfbe4986e971b643ddce487d1ef9a71a541ebf762baf32a022b9118aa494cc1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-05T20:14:41Z",
    "title_canon_sha256": "a79f6b36bc9f36bccd3c949aabe2e575d8f1e77b806b20d68ef8b19c496aeeae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1046",
    "kind": "arxiv",
    "version": 1
  }
}