Pith Number

pith:LGYJLDW3

pith:2003:LGYJLDW3GWBX5CUPRJKLQBAIW5

not attested not anchored not stored refs pending

Optical Photometry and Spectroscopy of the SN 1998bw-like Type Ic Supernova 2002ap

Alexei V. Filippenko, Brandon J. Swift, Douglas C. Leonard, Marina S. Papenkova, Paolo A. Mazzali, Ryan Chornock, Ryan J. Foley, Schuyler D. Van Dyk, Weidong Li

arxiv:astro-ph/0307136 v2 · 2003-07-08 · 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{LGYJLDW3GWBX5CUPRJKLQBAIW5}

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	2026-05-18T04:12:02.850086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59b0958edb35837e8a8f8a54b80408b7608877bd62b7c9c82d83747ed3c25c65

Aliases

arxiv: astro-ph/0307136 · arxiv_version: astro-ph/0307136v2 · doi: 10.48550/arxiv.astro-ph/0307136 · pith_short_12: LGYJLDW3GWBX · pith_short_16: LGYJLDW3GWBX5CUP · pith_short_8: LGYJLDW3

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/LGYJLDW3GWBX5CUPRJKLQBAIW5 \
  | 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: 59b0958edb35837e8a8f8a54b80408b7608877bd62b7c9c82d83747ed3c25c65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "868ee6e97bade32bb70f768e1bfcadb16c8c3863d026c5818d527dcbb5987bcd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-07-08T02:13:33Z",
    "title_canon_sha256": "7dd56be14daae9e376ca1f6c812db8a8369f486d5264960145ac7199922f9ca0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0307136",
    "kind": "arxiv",
    "version": 2
  }
}