pith. sign in
Pith Number

pith:Y3BAPG3B

pith:2018:Y3BAPG3BKIQXOMJNLJSK7KRY5L
not attested not anchored not stored refs pending

Photometry of K2 Campaign 9 bulge data

A. Gould, A. Udalski, B. S. Gaudi, C. Ranc, G. Barentsen, M. Penny, R. Poleski

arxiv:1805.05734 v3 · 2018-05-15 · astro-ph.IM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{Y3BAPG3BKIQXOMJNLJSK7KRY5L}

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 2026-05-17T23:40:49.689076Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c6c2079b61522177312d5a64afaa38eaf9a658875f04163d3904453bd19e03a5

Aliases

arxiv: 1805.05734 · arxiv_version: 1805.05734v3 · doi: 10.48550/arxiv.1805.05734 · pith_short_12: Y3BAPG3BKIQX · pith_short_16: Y3BAPG3BKIQXOMJN · pith_short_8: Y3BAPG3B
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/Y3BAPG3BKIQXOMJNLJSK7KRY5L \
  | 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: c6c2079b61522177312d5a64afaa38eaf9a658875f04163d3904453bd19e03a5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "32dc24b2ffb6a217095082ba2bd4328ff0e04ca931df3c22e6f9b9550fb981c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-05-15T12:48:16Z",
    "title_canon_sha256": "0c20cc02936ca6f59335d4338fcea390f86eefab155d876e001657ba8ef0ffee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05734",
    "kind": "arxiv",
    "version": 3
  }
}