pith. sign in
Pith Number

pith:7CM5XRKP

pith:2017:7CM5XRKP7DFDYQTZ4GJ5E5IXJ6
not attested not anchored not stored refs pending

The Variability and Period Analysis for the BL Lac AO 0235+164

A. Y. Zhou, C. Lin, D. Constantin, G.M. Richter, H. T. Wang, J.H. Fan, J.H. Yang, M.G. Nikolashvili, M. Sasada, O. Kurtanidze, S. O. Kurtanidze, X. Liu, Y. H. Yuan, Y. Liu, Y. T. Zhang

arxiv:1702.05689 v1 · 2017-02-19 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7CM5XRKP7DFDYQTZ4GJ5E5IXJ6}

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 2026-05-18T00:49:09.052033Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f899dbc54ff8ca3c4279e193d275174fb0bc4b606024a7579613dd5ec2173012

Aliases

arxiv: 1702.05689 · arxiv_version: 1702.05689v1 · doi: 10.48550/arxiv.1702.05689 · pith_short_12: 7CM5XRKP7DFD · pith_short_16: 7CM5XRKP7DFDYQTZ · pith_short_8: 7CM5XRKP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7CM5XRKP7DFDYQTZ4GJ5E5IXJ6 \
  | 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: f899dbc54ff8ca3c4279e193d275174fb0bc4b606024a7579613dd5ec2173012
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7c3269f22d03b4cfa7050e25b610801157f9f283abb5e40a9364902436a85dbb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-02-19T02:41:28Z",
    "title_canon_sha256": "83bf9fed05910a8088618b4e0314b552d30a90f669c0bc1e6213c1937536a8ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05689",
    "kind": "arxiv",
    "version": 1
  }
}