Pith Number

pith:Y22SADTD

pith:2000:Y22SADTDPT2HQVIL7PSX6UWU3X

not attested not anchored not stored refs pending

Detailed Analysis of Early to Late-Time Spectra of Supernova 1993J

(2) OCIW, (3) CfA), Aaron J. Barth (3), Alexei V. Filippenko (1), Douglas C. Leonard (1) ((1) UC Berkeley, Luis C. Ho (2), Thomas Matheson (1)

arxiv:astro-ph/0006264 v1 · 2000-06-19 · 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{Y22SADTDPT2HQVIL7PSX6UWU3X}

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.

Cited by

1 paper in Pith

Neutron star-companion interaction in core collapse supernovae. Population synthesis based on detailed binary evolution models

Receipt and verification

First computed	2026-07-04T16:16:48.922307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6b5200e637cf478550bfbe57f52d4ddf9bffdc5573b141b56f1ba39bff3f785

Aliases

arxiv: astro-ph/0006264 · arxiv_version: astro-ph/0006264v1 · doi: 10.48550/arxiv.astro-ph/0006264 · pith_short_12: Y22SADTDPT2H · pith_short_16: Y22SADTDPT2HQVIL · pith_short_8: Y22SADTD

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/Y22SADTDPT2HQVIL7PSX6UWU3X \
  | 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: c6b5200e637cf478550bfbe57f52d4ddf9bffdc5573b141b56f1ba39bff3f785

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3800e7cdbc3972d25797ce792e5de5bd8982264326901e35a4d8a33fb827802b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-06-19T23:40:01Z",
    "title_canon_sha256": "695b7313662318438066f54329848a094c638011298802f19dab319dcfc43ae3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0006264",
    "kind": "arxiv",
    "version": 1
  }
}