Pith Number

pith:5M6CZHY2

pith:2013:5M6CZHY2MEFQ7AC2XA3VBAD2TF

not attested not anchored not stored refs pending

The Short Period End of the Distribution of Contact Binary Stars

Daniel M. Van Noord, Lawrence A. Molnar, Steven D. Steenwyk

arxiv:1310.0539 v1 · 2013-10-02 · 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{5M6CZHY2MEFQ7AC2XA3VBAD2TF}

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	2026-05-18T03:11:34.995801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb3c2c9f1a610b0f805ab83750807a994580dd6bd6b4a9739ab0e627942ff6ac

Aliases

arxiv: 1310.0539 · arxiv_version: 1310.0539v1 · doi: 10.48550/arxiv.1310.0539 · pith_short_12: 5M6CZHY2MEFQ · pith_short_16: 5M6CZHY2MEFQ7AC2 · pith_short_8: 5M6CZHY2

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/5M6CZHY2MEFQ7AC2XA3VBAD2TF \
  | 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: eb3c2c9f1a610b0f805ab83750807a994580dd6bd6b4a9739ab0e627942ff6ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1780aa6c2dc1dad0aa1efd8937f0dc2a5fa74b514bd091d47306d589ac8c88b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-10-02T01:10:14Z",
    "title_canon_sha256": "32d40bb856b09d129fb87dfa33437ba290a6d91950b16dbe2fd3c9b43945ea29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.0539",
    "kind": "arxiv",
    "version": 1
  }
}