Pith Number

pith:7U3GEU2V

pith:2009:7U3GEU2VDFTCPD7FV5P2ZQMR3Q

not attested not anchored not stored refs pending

X-ray spectra from magnetar candidates - III. Fitting SGRs/AXPs soft X-ray emission with non-relativistic Monte Carlo models

Italy), L. Nobili (Department of Physics, N. Rea (University of Amsterdam, R. Turolla (Department of Physics, S. Zane (Mullard Space Science Laboratory, the Netherlands), UK), University College London, University of Padova

arxiv:0906.1135 v1 · 2009-06-05 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7U3GEU2VDFTCPD7FV5P2ZQMR3Q}

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	2026-05-18T02:13:28.733627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd366253551966278fe5af5facc191dc0f2c4592937df1bad4ed9cba6bb3ca13

Aliases

arxiv: 0906.1135 · arxiv_version: 0906.1135v1 · doi: 10.48550/arxiv.0906.1135 · pith_short_12: 7U3GEU2VDFTC · pith_short_16: 7U3GEU2VDFTCPD7F · pith_short_8: 7U3GEU2V

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/7U3GEU2VDFTCPD7FV5P2ZQMR3Q \
  | 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: fd366253551966278fe5af5facc191dc0f2c4592937df1bad4ed9cba6bb3ca13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f375623d595be841616febc287109fd0615d2c2fbcffd90d7106dc2b79979f5d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-06-05T14:45:40Z",
    "title_canon_sha256": "72c7a8bc320ddfa80c835f827c5322b3435bc1c23127f406d1e0fd81428a6b48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1135",
    "kind": "arxiv",
    "version": 1
  }
}