Pith Number

pith:C6ZYBEXA

pith:2002:C6ZYBEXADLL7X4WWB32RBEKTEK

not attested not anchored not stored refs pending

The continuum variability of MCG--6-30-15: A detailed analysis of the long 1999 ASCA observation

2), (2) IoA, A.C. Fabian (2) ((1) Princeton University, Cambridge), D.C. Shih (1, K. Iwasawa (2)

arxiv:astro-ph/0202432 v1 · 2002-02-22 · 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{C6ZYBEXADLL7X4WWB32RBEKTEK}

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	2026-07-04T15:49:48.074546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17b38092e01ad7fbf2d60ef510915322978c939ddda24d17a06b4846bb1a7f58

Aliases

arxiv: astro-ph/0202432 · arxiv_version: astro-ph/0202432v1 · doi: 10.48550/arxiv.astro-ph/0202432 · pith_short_12: C6ZYBEXADLL7 · pith_short_16: C6ZYBEXADLL7X4WW · pith_short_8: C6ZYBEXA

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/C6ZYBEXADLL7X4WWB32RBEKTEK \
  | 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: 17b38092e01ad7fbf2d60ef510915322978c939ddda24d17a06b4846bb1a7f58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d38bdf33e5c3ab645f055a6a3a8ed7024d70488ae3d16074f4c5410068ca6a4e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-02-22T22:44:54Z",
    "title_canon_sha256": "8b92b4dce0e65f55e95aa380239bbaedd39c3b5865371739e5387d72c9497068"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0202432",
    "kind": "arxiv",
    "version": 1
  }
}