Pith Number

pith:IRJ7OMZP

pith:2013:IRJ7OMZPUDVNUQJMTDJUUX443Y

not attested not anchored not stored refs pending

The quadruple pre-main sequence system LkCa3: Implications for stellar evolution models

(2) Lowell Observatory, (3) Yale University, (4) CHARA, (5) University of Wisconsin-Madison), Dary Ruiz-Rodriguez (2), David W. Latham (1) ((1) CfA, G. H. Schaefer (4), Guillermo Torres (1), Lawrence H. Wasserman (2), L. Prato (2), Mariona Badenas (3), Robert D. Mathieu (5)

arxiv:1306.4334 v3 · 2013-06-18 · 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{IRJ7OMZPUDVNUQJMTDJUUX443Y}

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	2026-05-18T01:49:15.290066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4453f7332fa0eada412c98d34a5f9cde2e498473a04e70568d62a93bd9d13841

Aliases

arxiv: 1306.4334 · arxiv_version: 1306.4334v3 · doi: 10.48550/arxiv.1306.4334 · pith_short_12: IRJ7OMZPUDVN · pith_short_16: IRJ7OMZPUDVNUQJM · pith_short_8: IRJ7OMZP

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/IRJ7OMZPUDVNUQJMTDJUUX443Y \
  | 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: 4453f7332fa0eada412c98d34a5f9cde2e498473a04e70568d62a93bd9d13841

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ad251330fd73bb69c678f22f35a86e8ecb14b6f4dfb67a6e2916ffd0d899b8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-06-18T20:01:35Z",
    "title_canon_sha256": "7763ad7f9d88013543b38c6f0a847df97fefab1214cc32c8b6d1e7705f4329b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4334",
    "kind": "arxiv",
    "version": 3
  }
}