pith. sign in
Pith Number

pith:432WWM2V

pith:2015:432WWM2V2KB5SC6GP2MVUBPNYT
not attested not anchored not stored refs pending

Long-term X-ray Variability of Ultraluminous X-ray Sources

A.K.H. Kong, C.-P. Hu, D.C.-C. Yen, J. Takata, L.C.-C. Lin, Y. Chou

arxiv:1509.00547 v1 · 2015-09-02 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{432WWM2V2KB5SC6GP2MVUBPNYT}

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 2026-05-18T01:30:18.088566Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e6f56b3355d283d90bc67e995a05edc4fa0bfac9ad15d4b31eaee2c660f115af

Aliases

arxiv: 1509.00547 · arxiv_version: 1509.00547v1 · doi: 10.48550/arxiv.1509.00547 · pith_short_12: 432WWM2V2KB5 · pith_short_16: 432WWM2V2KB5SC6G · pith_short_8: 432WWM2V
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/432WWM2V2KB5SC6GP2MVUBPNYT \
  | 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: e6f56b3355d283d90bc67e995a05edc4fa0bfac9ad15d4b31eaee2c660f115af
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "aec7b5cf701cf5e343fee21c4b66e53adaf3f7e42060899ebb8fb1605d45b4d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-09-02T02:34:47Z",
    "title_canon_sha256": "a307bfda01dff92bab1899f124ed0dd17ffacf49fa9c6d3d4e761865ac5ea2fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00547",
    "kind": "arxiv",
    "version": 1
  }
}