pith. sign in
Pith Number

pith:F3D3OI6N

pith:2016:F3D3OI6NSGCNFGI4TNAL5AM32D
not attested not anchored not stored refs pending

CCD UBV photometry of the open cluster NGC 6819

E. Paunzen, H. Urgup, S. Ak, S. Bilir, T. Ak, T. Guver, T. Yontan, Z. F. Bostanci

arxiv:1603.00474 v1 · 2016-03-01 · astro-ph.GA · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{F3D3OI6NSGCNFGI4TNAL5AM32D}

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 2026-05-18T01:17:17.067953Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2ec7b723cd9184d2991c9b40be819bd0f903034ae073401e51170f5d2dde557f

Aliases

arxiv: 1603.00474 · arxiv_version: 1603.00474v1 · doi: 10.48550/arxiv.1603.00474 · pith_short_12: F3D3OI6NSGCN · pith_short_16: F3D3OI6NSGCNFGI4 · pith_short_8: F3D3OI6N
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/F3D3OI6NSGCNFGI4TNAL5AM32D \
  | 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: 2ec7b723cd9184d2991c9b40be819bd0f903034ae073401e51170f5d2dde557f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1f767c45d77e2f43dc9005d992c6be181249b3a7f4dd93591964fe666b867f0e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-03-01T21:00:09Z",
    "title_canon_sha256": "967c92fce07a5b100cca174e51d1b9771a76fccd6ebdd2ece09cf7c2023f18b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00474",
    "kind": "arxiv",
    "version": 1
  }
}