Pith Number

pith:RE4QIBVM

pith:2014:RE4QIBVMY7VK5W64MRDY5WAAHG

not attested not anchored not stored refs pending

Variable optical polarization during high state in gamma-ray loud narrow line Seyfert 1 galaxy 1H 0323+342

Akihiro Doi, Akira Arai, Daisuke Kuroda, Hidekazu Hanayama, Hideyuki Izumiura, Hiroshi Akitaya, Jun Takahashi, Katsuhiro L. Murata, Katsutoshi Takaki, Kazuhiro Sekiguchi, Kenji Kawaguchi, Kenzo Kinugasa, Koji S. Kawabata, Mahito Sasada, Makoto Uemura, Makoto Watanabe, Masahiko Hayashi, Masayuki Yamanaka, Michitoshi Yoshida, Nobuyuki Kawai, Osamu Hashimoto, Ryo Miyanoshita, Ryosuke Itoh, Takahiro Nagayama, Takahiro Ui, Takashi Ohsugi, Takeshi Miyaji, Tomohito Ohshima, Tomoki Morokuma, Yasushi Fukazawa, Yasuyuki T. Tanaka, Yoshihiko Saito, Yoshiyuki Inoue, Yuhei Takagi, Yuka Kanda, Yuki Moritani, Yumiko Oasa

arxiv:1405.3731 v2 · 2014-05-15 · 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{RE4QIBVMY7VK5W64MRDY5WAAHG}

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	2026-05-18T01:43:12.212540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89390406acc7eaaedbdc64478ed80039ab42818bfdaa5d4161de2498948bcb70

Aliases

arxiv: 1405.3731 · arxiv_version: 1405.3731v2 · doi: 10.48550/arxiv.1405.3731 · pith_short_12: RE4QIBVMY7VK · pith_short_16: RE4QIBVMY7VK5W64 · pith_short_8: RE4QIBVM

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/RE4QIBVMY7VK5W64MRDY5WAAHG \
  | 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: 89390406acc7eaaedbdc64478ed80039ab42818bfdaa5d4161de2498948bcb70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d6655d8a01164a8009108226f12f2c725ff4586c3e5212445bc32bd69fe1e0d",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-05-15T03:00:30Z",
    "title_canon_sha256": "bf5eab20df69b62b28672360e89035162d9c348552284f97a8eebdbb94265c6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.3731",
    "kind": "arxiv",
    "version": 2
  }
}