Pith Number

pith:NWFZY2K7

pith:2000:NWFZY2K7WFMKM2UURGDEXPGOM2

not attested not anchored not stored refs pending

Analysis of the Type IIn Supernova 1998S: Effects of Circumstellar Interaction on Observed Spectra

Alexei V. Filippenko, Brian Schmidt, Bruno Leibundgut, Claes Fransson, C. S. J. Pun, David Branch, E. Baron, E. Michael, Eric J. Lentz, George Sonneborn, J. C. Wheeler, L. Wang, M. M. Phillips, Nate Bastian, N. B. Suntzeff, Nino Panagia, Peter Garnavich, Peter H. Hauschildt, Peter Lundqvist, P. M. Challis, R. McCray, R. P. Kirshner, S. Jha

arxiv:astro-ph/0010615 v1 · 2000-10-30 · 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{NWFZY2K7WFMKM2UURGDEXPGOM2}

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	2026-07-04T16:17:30.697652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d8b9c695fb158a66a9489864bbcce669ceca10d26572f7d19cce78be87e5bce

Aliases

arxiv: astro-ph/0010615 · arxiv_version: astro-ph/0010615v1 · doi: 10.48550/arxiv.astro-ph/0010615 · pith_short_12: NWFZY2K7WFMK · pith_short_16: NWFZY2K7WFMKM2UU · pith_short_8: NWFZY2K7

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/NWFZY2K7WFMKM2UURGDEXPGOM2 \
  | 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: 6d8b9c695fb158a66a9489864bbcce669ceca10d26572f7d19cce78be87e5bce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e2574c45b7e9b869154c6d2ef7bc011d225fb3494c50fa3a6e15e5f685deb6d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-10-30T17:35:12Z",
    "title_canon_sha256": "01e321bb586c27dd0b28e280a4bbbfbd6cdf83e4bf2952f62b50fa2e102f257f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0010615",
    "kind": "arxiv",
    "version": 1
  }
}