Pith Number

pith:X3JLOVSC

pith:2015:X3JLOVSCKZIPP6CMEXGGZGUHO6

not attested not anchored not stored refs pending

An emergence of new polarized emission region in blazar Mrk 421 associated with X-ray flare

Katsutoshi Takaki, Kazuma Hayashi, Koji S. Kawabata, Mahito Sasada, Makoto Uemura, Masayuki Yamanaka, Michitoshi Yoshida, Ryosuke Itoh, Takahiro Ui, Yasushi Fukazawa, Yasuyuki T. Tanaka

arxiv:1502.06174 v1 · 2015-02-22 · 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{X3JLOVSCKZIPP6CMEXGGZGUHO6}

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	2026-05-18T01:46:21.810130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bed2b756425650f7f84c25cc6c9a87779f60a6861d28225a7f837356f8f5b088

Aliases

arxiv: 1502.06174 · arxiv_version: 1502.06174v1 · doi: 10.48550/arxiv.1502.06174 · pith_short_12: X3JLOVSCKZIP · pith_short_16: X3JLOVSCKZIPP6CM · pith_short_8: X3JLOVSC

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/X3JLOVSCKZIPP6CMEXGGZGUHO6 \
  | 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: bed2b756425650f7f84c25cc6c9a87779f60a6861d28225a7f837356f8f5b088

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e9be25361a6b203cf596e391427429b097490220973b243e95be9934bd024b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-02-22T03:56:45Z",
    "title_canon_sha256": "138c30618abe5ec57adc5dff370c8ca5a0eb070967051b31537ba576609c1418"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06174",
    "kind": "arxiv",
    "version": 1
  }
}