pith. sign in
Pith Number

pith:YKTZURM2

pith:2013:YKTZURM2VHAHMNIF35IGWXSHBH
not attested not anchored not stored refs pending

Stellar variability in open clusters. I. A new class of variable stars in NGC 3766

F. Barblan, L. Eyer, N. Mowlavi, S. Saesen

arxiv:1304.5266 v2 · 2013-04-18 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YKTZURM2VHAHMNIF35IGWXSHBH}

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 2026-05-18T01:50:30.918630Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c2a79a459aa9c0763505df506b5e4709c4159fafa84cea4867b560f6d0265509

Aliases

arxiv: 1304.5266 · arxiv_version: 1304.5266v2 · doi: 10.48550/arxiv.1304.5266 · pith_short_12: YKTZURM2VHAH · pith_short_16: YKTZURM2VHAHMNIF · pith_short_8: YKTZURM2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YKTZURM2VHAHMNIF35IGWXSHBH \
  | 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: c2a79a459aa9c0763505df506b5e4709c4159fafa84cea4867b560f6d0265509
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "990b5b1f5138fcb3a6998bed480f6c9d478ef21c511d2f2f3336c984adfad0f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-04-18T21:54:11Z",
    "title_canon_sha256": "267c240b29d294c87b1c99aa68177c8b50a69b03bbc19b9d8ef314c1333ca286"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5266",
    "kind": "arxiv",
    "version": 2
  }
}