Pith Number

pith:FNQXCQSD

pith:1999:FNQXCQSDLFXD6CCLVU4C2U5WG5

not attested not anchored not stored refs pending

Supernova 1996L: evidence of a strong wind episode before the explosion

E. Cappellaro, I.J. Danziger, M. Turatto, P.A. Mazzali, S. Benetti

arxiv:astro-ph/9901345 v1 · 1999-01-25 · 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{FNQXCQSDLFXD6CCLVU4C2U5WG5}

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	2026-07-04T16:10:39.122561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b61714243596e3f084bad382d53b63758e1d564f8d152d55cdbb50ec0f42fd7

Aliases

arxiv: astro-ph/9901345 · arxiv_version: astro-ph/9901345v1 · doi: 10.48550/arxiv.astro-ph/9901345 · pith_short_12: FNQXCQSDLFXD · pith_short_16: FNQXCQSDLFXD6CCL · pith_short_8: FNQXCQSD

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/FNQXCQSDLFXD6CCLVU4C2U5WG5 \
  | 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: 2b61714243596e3f084bad382d53b63758e1d564f8d152d55cdbb50ec0f42fd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7db0eb0123275854aed948853eaaddeb8d69d3f3fe7da52554d6a6b499e0c27",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-01-25T13:38:44Z",
    "title_canon_sha256": "8d3cd549cb692566c3754025c11bd5536e6247250301666fd27fdcf6fba83a2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9901345",
    "kind": "arxiv",
    "version": 1
  }
}