pith. sign in
Pith Number

pith:N7PVTHDV

pith:2011:N7PVTHDVEFWHYCE6NRYAC2TFCB
not attested not anchored not stored refs pending

A CCD Search for Variable Stars of Spectral Type B in the Northern Hemisphere Open Clusters. VIII. NGC 6834

A. Pigulski, G. Kopacki, M. Jerzykiewicz, S.-L. Kim, Z. Ko{\l}aczkowski

arxiv:1110.4064 v1 · 2011-10-18 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{N7PVTHDVEFWHYCE6NRYAC2TFCB}

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 2026-05-18T04:10:47.435224Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6fdf599c75216c7c089e6c70016a65104db5af2da2f9335c74b35f32c294379b

Aliases

arxiv: 1110.4064 · arxiv_version: 1110.4064v1 · doi: 10.48550/arxiv.1110.4064 · pith_short_12: N7PVTHDVEFWH · pith_short_16: N7PVTHDVEFWHYCE6 · pith_short_8: N7PVTHDV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/N7PVTHDVEFWHYCE6NRYAC2TFCB \
  | 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: 6fdf599c75216c7c089e6c70016a65104db5af2da2f9335c74b35f32c294379b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b343a68b86111e0118007d63dbbce304c8890e0f5979144a0685d30831aa6431",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-10-18T17:37:51Z",
    "title_canon_sha256": "18f2f5c6c40f850195929e710790ead1d807807460e21c181900c92ffe190973"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4064",
    "kind": "arxiv",
    "version": 1
  }
}