Pith Number

pith:SQLN7QAS

pith:2008:SQLN7QASDZPAISFTHT4RPKNL3U

not attested not anchored not stored refs pending

Nonthermal X-Rays from Supernova Remnant G330.2+1.0 and the Characteristics of its Central Compact Object

David N. Burrows, George G. Pavlov (Penn State), Gordon P. Garmire (Penn State), John P. Hughes (Rutgers), Koji Mori (Miyazaki), Oleg Kargaltsev (Florida), Patrick O. Slane (CfA), Sangwook Park (Penn State)

arxiv:0809.4281 v2 · 2008-09-24 · 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{SQLN7QASDZPAISFTHT4RPKNL3U}

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	2026-05-18T04:29:26.475057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9416dfc0121e5e0448b33cf917a9abdd0055b15dbb0f31e76db13502a1c2d0ff

Aliases

arxiv: 0809.4281 · arxiv_version: 0809.4281v2 · doi: 10.48550/arxiv.0809.4281 · pith_short_12: SQLN7QASDZPA · pith_short_16: SQLN7QASDZPAISFT · pith_short_8: SQLN7QAS

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/SQLN7QASDZPAISFTHT4RPKNL3U \
  | 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: 9416dfc0121e5e0448b33cf917a9abdd0055b15dbb0f31e76db13502a1c2d0ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "028ec83534aa303a2eef8b13060b01a9f8b2bdb8e80d295e71e521510702f8ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-24T20:54:10Z",
    "title_canon_sha256": "b3a975d06b586ae1718c78f667b307cc0a948008c22a82a4e4fd565eb1440aa9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.4281",
    "kind": "arxiv",
    "version": 2
  }
}