Pith Number

pith:CUKY5DK6

pith:2010:CUKY5DK64OGMLGDC7LRBIAT6IG

not attested not anchored not stored refs pending

Bright X-ray flares from the BL Lac object Mrk 421, detected with MAXI in 2010 January and February

Arata Daikyuji, Atsumasa Yoshida, Hiroshi Ozawa, Hiroshi Tomida, Hiroshi Tsunemi, Hitoshi Negoro, Kazuo Hiroi, Kazutaka Yamaoka, Kazuyoshi Kawasaki, Kousuke Sugimori, Masaki Ishikawa, Masaru Matsuoka, Masashi Kimura, Mikio Morii, Mitsuhiro Kohama, Motoki Nakajima, Motoko Suzuki, Mutsumi Sugizaki, Naoki Isobe, Nobuyuki Kawai, Ryoji Ishiwata, Satoshi Eguchi, Satoshi Nakahira, Shiro Ueno, Sho Miyoshi, Takayuki Yamamoto, Tatehiro Mihara, Tetsuya Sootome, the MAXI team, Yoshihiro Ueda, Yujin E. Nakagawa

arxiv:1010.1003 v1 · 2010-10-05 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CUKY5DK64OGMLGDC7LRBIAT6IG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:05:10.897332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15158e8d5ee38cc59862fae214027e41a9c3fe7d8025fa6f9ce7aef5888a7529

Aliases

arxiv: 1010.1003 · arxiv_version: 1010.1003v1 · doi: 10.48550/arxiv.1010.1003 · pith_short_12: CUKY5DK64OGM · pith_short_16: CUKY5DK64OGMLGDC · pith_short_8: CUKY5DK6

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/CUKY5DK64OGMLGDC7LRBIAT6IG \
  | 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: 15158e8d5ee38cc59862fae214027e41a9c3fe7d8025fa6f9ce7aef5888a7529

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c72ef436a5655e2d2b389d4fe43a9fdf96af36687c286b335282a64fdc4b77f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-10-05T20:00:25Z",
    "title_canon_sha256": "b3a9bfd45a3f60905106d54cfddfa4ff3c9270ab79eee191d979fffa7474392c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1003",
    "kind": "arxiv",
    "version": 1
  }
}