Pith Number

pith:KCB26A5K

pith:2007:KCB26A5KCLIHO7MFCQTE2SKTYE

not attested not anchored not stored refs pending

Chandra ACIS Survey of M33 (ChASeM33): X-ray Imaging Spectroscopy of M33SNR21, the Brightest X-ray Supernova Remnant in M33

Benjamin Williams, Dieter Breitschwerdt, John P. Hughes, Knox S. Long, Manami Sasaki, Miguel Avillez, Parviz Ghavamian, Paul P. Plucinsky, P. Frank Winkler, Richard J. Edgar, Robert P. Kirshner, Terrance J. Gaetz, Thomas G. Pannuti, William P. Blair

arxiv:0706.2663 v1 · 2007-06-18 · 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{KCB26A5KCLIHO7MFCQTE2SKTYE}

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	2026-05-18T04:29:33.885814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5083af03aa12d0777d8514264d4953c130c3896131b51e54ca944fff529afce1

Aliases

arxiv: 0706.2663 · arxiv_version: 0706.2663v1 · doi: 10.48550/arxiv.0706.2663 · pith_short_12: KCB26A5KCLIH · pith_short_16: KCB26A5KCLIHO7MF · pith_short_8: KCB26A5K

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/KCB26A5KCLIHO7MFCQTE2SKTYE \
  | 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: 5083af03aa12d0777d8514264d4953c130c3896131b51e54ca944fff529afce1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf5ef385750f23ebe431cd0f148c524a7b257d75ac4ed7b46af612d49063ad5f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-06-18T21:12:41Z",
    "title_canon_sha256": "af3963c87cc72460e2830ccd7d6298a4a591fdf59fc102ce31b39e4f2f990697"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.2663",
    "kind": "arxiv",
    "version": 1
  }
}