Pith Number

pith:E7TQG6SW

pith:2013:E7TQG6SWWAIQEPRSIQCK3NQF4E

not attested not anchored not stored refs pending

On the origin of cyclotron lines in the spectra of X-ray pulsars

Alexander A. Lutovinov, Alexander A. Mushtukov, Dmitrij I. Nagirner, Juri Poutanen, Sergey S. Tsygankov, Valery F. Suleimanov, Victor Doroshenko

arxiv:1309.2520 v1 · 2013-09-10 · astro-ph.HE · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E7TQG6SWWAIQEPRSIQCK3NQF4E}

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	2026-05-18T01:47:43.733680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27e7037a56b011023e324404adb605e10f700ceb75689db9714f7aef338d2922

Aliases

arxiv: 1309.2520 · arxiv_version: 1309.2520v1 · doi: 10.48550/arxiv.1309.2520 · pith_short_12: E7TQG6SWWAIQ · pith_short_16: E7TQG6SWWAIQEPRS · pith_short_8: E7TQG6SW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/E7TQG6SWWAIQEPRSIQCK3NQF4E \
  | 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: 27e7037a56b011023e324404adb605e10f700ceb75689db9714f7aef338d2922

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34046ae1144241fb95041641a2e3fff7e0e125f574222b9027b241047801f984",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-09-10T14:14:12Z",
    "title_canon_sha256": "55adcaa36cfd0a9b4722aea9c93fd325856b9920960e8e8d3b792c39d4464774"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2520",
    "kind": "arxiv",
    "version": 1
  }
}