Pith Number

pith:CIEXY3VH

pith:2006:CIEXY3VH5M3ZM3YJH77BT56ZYM

not attested not anchored not stored refs pending

Small-Scale X-ray Variability in the Cassiopeia A Supernova Remnant

D. J. Patnaude, R. A. Fesen

arxiv:astro-ph/0609412 v1 · 2006-09-14 · 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{CIEXY3VH5M3ZM3YJH77BT56ZYM}

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	2026-07-04T15:25:54.405072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12097c6ea7eb37966f093ffe19f7d9c30713a5465e07cd7308ba5962f492d5d9

Aliases

arxiv: astro-ph/0609412 · arxiv_version: astro-ph/0609412v1 · doi: 10.48550/arxiv.astro-ph/0609412 · pith_short_12: CIEXY3VH5M3Z · pith_short_16: CIEXY3VH5M3ZM3YJ · pith_short_8: CIEXY3VH

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/CIEXY3VH5M3ZM3YJH77BT56ZYM \
  | 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: 12097c6ea7eb37966f093ffe19f7d9c30713a5465e07cd7308ba5962f492d5d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23853fef59827d94b51c728afc27286703086e0203c5376c4802b56650cd0920",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-14T16:02:18Z",
    "title_canon_sha256": "5e9b0442612029cb4bc47ff96c5beb02f7469d3fd58f2d0a0de9e39fd77df985"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609412",
    "kind": "arxiv",
    "version": 1
  }
}