Pith Number

pith:4F624YJS

pith:2003:4F624YJSKHJ4PC36LWJTX336FK

not attested not anchored not stored refs pending

The Optical/Near-Infrared Light Curves of SN 2002ap for the First 140 Days after Discovery

B. A. Peterson, H. Tomita, H. Umeda, J. Deng, K. Enya, K. Maeda, K. Nomoto, M. Doi, M. Suganuma, P. A. Mazzali, T. Aoki, T. Minezaki, Y. Kobayashi, Y. Yoshii

arxiv:astro-ph/0304010 v1 · 2003-04-01 · 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{4F624YJSKHJ4PC36LWJTX336FK}

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	2026-07-04T16:36:46.364950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e17dae613251d3c78b7e5d933bef7e2a82f3f16fdd90b8527e42a1a49e4522fe

Aliases

arxiv: astro-ph/0304010 · arxiv_version: astro-ph/0304010v1 · doi: 10.48550/arxiv.astro-ph/0304010 · pith_short_12: 4F624YJSKHJ4 · pith_short_16: 4F624YJSKHJ4PC36 · pith_short_8: 4F624YJS

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/4F624YJSKHJ4PC36LWJTX336FK \
  | 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: e17dae613251d3c78b7e5d933bef7e2a82f3f16fdd90b8527e42a1a49e4522fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "966ad67b591d10704951f3cc32c620f9592f299a47e49da6cbc5019803648fe9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-04-01T03:41:16Z",
    "title_canon_sha256": "c89a7f389ad89645125d8e4ade05467bf7c7c999fe805e537ae8566fa783653f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0304010",
    "kind": "arxiv",
    "version": 1
  }
}