Pith Number

pith:4OAUWGE5

pith:2008:4OAUWGE5CYJ524D23EU6KJGIYG

not attested not anchored not stored refs pending

Spatial Distribution of the Galactic Center Diffuse X-Rays and the Spectra of the Brightest 6.4keV Clumps

Hironori Matsumoto, Katsuji Koyama, Masayoshi Nobukawa, Takeshi Go Tsuru (Kyoto University), Tatsuya Inui, Yojiro Takikawa, Yoshiaki Hyodo

arxiv:0804.3309 v1 · 2008-04-21 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4OAUWGE5CYJ524D23EU6KJGIYG}

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	2026-07-04T15:11:01.280330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3814b189d1613dd707ad929e524c8c1b5f2fc347d7b47b935b0ffc581c81067

Aliases

arxiv: 0804.3309 · arxiv_version: 0804.3309v1 · doi: 10.48550/arxiv.0804.3309 · pith_short_12: 4OAUWGE5CYJ5 · pith_short_16: 4OAUWGE5CYJ524D2 · pith_short_8: 4OAUWGE5

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/4OAUWGE5CYJ524D23EU6KJGIYG \
  | 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: e3814b189d1613dd707ad929e524c8c1b5f2fc347d7b47b935b0ffc581c81067

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbfebd109cf2f81c3976241893fbdddc868faff831c546b7ecab527d236c8f89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-04-21T13:38:20Z",
    "title_canon_sha256": "928a56d4675f3b695e4947d1a4822fec4b2b877db37ec736f4129e72a85e8f59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.3309",
    "kind": "arxiv",
    "version": 1
  }
}