Pith Number

pith:U6K7LPNU

pith:2009:U6K7LPNUTV2VZF5NLPKVRTILFD

not attested not anchored not stored refs pending

Energy Spectra of the Soft X-ray Diffuse Emission in Fourteen Fields Observed with Suzaku

D. McCammon, K. Masui, K. Mitsuda, M. Bauer, N. Y. Yamasaki, Q.D. Wang, R. Fujimoto, T. Hagihara, T. Yoshino, Y. Takei, Y. Yao

arxiv:0903.2981 v2 · 2009-03-17 · 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{U6K7LPNUTV2VZF5NLPKVRTILFD}

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	2026-05-18T02:14:27.766467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a795f5bdb49d755c97ad5bd558cd0b28c3bb40a7a3fb100c29580883691974f0

Aliases

arxiv: 0903.2981 · arxiv_version: 0903.2981v2 · doi: 10.48550/arxiv.0903.2981 · pith_short_12: U6K7LPNUTV2V · pith_short_16: U6K7LPNUTV2VZF5N · pith_short_8: U6K7LPNU

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/U6K7LPNUTV2VZF5NLPKVRTILFD \
  | 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: a795f5bdb49d755c97ad5bd558cd0b28c3bb40a7a3fb100c29580883691974f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ee2ca4e5d98467713344727c4a2bd2b2601def158c5de2b352f31dc2dd4588f",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-03-17T14:54:16Z",
    "title_canon_sha256": "7324e1a70b046233a5903960fc0db0ac8565ca6d22aeec9f235337e4868a34b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2981",
    "kind": "arxiv",
    "version": 2
  }
}