Pith Number

pith:HSM7IQYT

pith:2026:HSM7IQYT6QTY267RSIGDICXMOA

not attested not anchored not stored refs pending

Spectral and photometric variability of SS 433 observed with XRISM and simultaneous optical and near-infrared telescopes

Chulsoo Kang, Daichi Hiramatsu, Daiki Miura, Haruka Sakemi, Hideki Uchiyama, Hiromasa Suzuki, Hiroya Yamaguchi, Ichiro Takahashi, Kanta Fujiwara, Katsuhiro L Murata, Keisuke Isogai, Kenta Taguchi, Kosuke Namekata, Kyuseok Oh, Mahito Sasada, Mami Machida, Mariko Kimura, Marina Yoshimoto, Masafumi Niwano, Megumi Shidatsu, Miho Tan, Miyu Uenishi, Nobuyuki Kawai, Robert Petre, Shigeyuki Sako, Shinya Yamada, Shogo B Kobayashi, Taichi Igarashi, Taichi Nakamoto, Takahiro Nagayama, Taro Kotani, Tomoya Usuki, Toshihiro Takagi, Yoichi Yatsu, Yoshihiro Ueda, Yuki Niida, Yusuke Sakai, Yuta Okada, Yuu Niino

arxiv:2602.21661 v1 · 2026-02-25 · 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{HSM7IQYT6QTY267RSIGDICXMOA}

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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	2026-07-08T01:19:11.066480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c99f44313f4278d7bf1920c340aec702edc7958cb045e03beb01c89ff37e456

Aliases

arxiv: 2602.21661 · arxiv_version: 2602.21661v1 · doi: 10.48550/arxiv.2602.21661 · pith_short_12: HSM7IQYT6QTY · pith_short_16: HSM7IQYT6QTY267R · pith_short_8: HSM7IQYT

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/HSM7IQYT6QTY267RSIGDICXMOA \
  | 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: 3c99f44313f4278d7bf1920c340aec702edc7958cb045e03beb01c89ff37e456

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0e5b58da808e0c2393986ff91db9ca54226315b6178a853ece85a6b4928a89b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-02-25T07:39:55Z",
    "title_canon_sha256": "30685d0556a0fd2950f5e7da37e9a2e1d19d9ad23fea1900a03fe95b4f06a09e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.21661",
    "kind": "arxiv",
    "version": 1
  }
}