pith. sign in
Pith Number

pith:TNPJJ2ZQ

pith:2015:TNPJJ2ZQFIYXWHRXDCUKIO2FIG
not attested not anchored not stored refs pending

Visual and ultraviolet flux variability of the bright CP star $\theta$ Aur

J. Krticka, M. Jagelka, T. Luftinger, Z. Mikulasek

arxiv:1502.01985 v1 · 2015-02-06 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{TNPJJ2ZQFIYXWHRXDCUKIO2FIG}

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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 2026-05-18T02:18:51.278214Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

9b5e94eb302a317b1e3718a8a43b454194c38c2ab2f6db9e1fe090fc2e25d123

Aliases

arxiv: 1502.01985 · arxiv_version: 1502.01985v1 · doi: 10.48550/arxiv.1502.01985 · pith_short_12: TNPJJ2ZQFIYX · pith_short_16: TNPJJ2ZQFIYXWHRX · pith_short_8: TNPJJ2ZQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/TNPJJ2ZQFIYXWHRXDCUKIO2FIG \
  | 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: 9b5e94eb302a317b1e3718a8a43b454194c38c2ab2f6db9e1fe090fc2e25d123
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "fd2a1bf1bf8c6b9c5a4d92d5e6ebb147b1f9c0a823860d727e1e440fc3cd2600",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-02-06T18:48:21Z",
    "title_canon_sha256": "ca4ec16b12e3d2d6221a3e064069a011f37a88035a7d584fcd42e9cd1175a03b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01985",
    "kind": "arxiv",
    "version": 1
  }
}