Pith Number

pith:BIPRJ5ZN

pith:2015:BIPRJ5ZNRMGTNBJCFBQV2VWQB2

not attested not anchored not stored refs pending

Variable stars in one open cluster within the Kepler/K2-Campaign-5 field: M 67 (NGC 2682)

A. Cunial, D. Nardiello, G. Piotto, L. Borsato, L. R. Bedin, M. Libralato, P. Ochner, V. Granata

arxiv:1510.05693 v1 · 2015-10-19 · 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{BIPRJ5ZNRMGTNBJCFBQV2VWQB2}

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	2026-05-18T01:25:38.063473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a1f14f72d8b0d36852228615d56d00e9a2a7eafb63ecc94f6bca11837b8483d

Aliases

arxiv: 1510.05693 · arxiv_version: 1510.05693v1 · doi: 10.48550/arxiv.1510.05693 · pith_short_12: BIPRJ5ZNRMGT · pith_short_16: BIPRJ5ZNRMGTNBJC · pith_short_8: BIPRJ5ZN

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/BIPRJ5ZNRMGTNBJCFBQV2VWQB2 \
  | 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: 0a1f14f72d8b0d36852228615d56d00e9a2a7eafb63ecc94f6bca11837b8483d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27a4d61e6a6710b292553fead9794fae89443898258b95cebc8100fcd46ef51f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-10-19T21:16:22Z",
    "title_canon_sha256": "647aa68f56693e0d3056421cc2841574624ef60615693f5db252aefb5fba30d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05693",
    "kind": "arxiv",
    "version": 1
  }
}