Pith Number

pith:4JBPF66H

pith:2018:4JBPF66HLJMZYPWHZS6FUOMEGW

not attested not anchored not stored refs pending

Systematic investigation of X-ray spectral variability of TeV blazars during flares in the $RXTE$ era

Junhui Fan, Shifu Zhu, Yijun Wang, Yongquan Xue

arxiv:1809.08036 v1 · 2018-09-21 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4JBPF66HLJMZYPWHZS6FUOMEGW}

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	2026-05-18T00:01:28.183478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e242f2fbc75a599c3ec7ccbc5a398435953ae93ad491da1c08bca7c7e60ff261

Aliases

arxiv: 1809.08036 · arxiv_version: 1809.08036v1 · doi: 10.48550/arxiv.1809.08036 · pith_short_12: 4JBPF66HLJMZ · pith_short_16: 4JBPF66HLJMZYPWH · pith_short_8: 4JBPF66H

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/4JBPF66HLJMZYPWHZS6FUOMEGW \
  | 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: e242f2fbc75a599c3ec7ccbc5a398435953ae93ad491da1c08bca7c7e60ff261

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffcba82205658b49b9c2724e6b6fc35711b2159693d993a0f4bcd12f772e9894",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-21T10:58:36Z",
    "title_canon_sha256": "42c898dcc8265cccd31d23ce19734be0065be43e3ae1d3d6a0531d6125046889"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08036",
    "kind": "arxiv",
    "version": 1
  }
}