Pith Number

pith:BRP77BHA

pith:2007:BRP77BHACNGC34ZWJ344CTM3BK

not attested not anchored not stored refs pending

The Aspherical Properties of the Energetic Type Ic SN 2002ap as Inferred from its Nebular Spectra

A.V. Filippenko, J. Deng, J. Wei, K. Maeda, K. Nomoto, K.S. Kawabata, M. Iye, N. Kashikawa, P.A. Mazzali, R.J. Foley, T. Suzuki, Y. Ohyama, Y.Qiu

arxiv:0708.0966 v1 · 2007-08-07 · 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{BRP77BHACNGC34ZWJ344CTM3BK}

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	2026-07-04T17:05:05.197330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c5fff84e0134c2df3364ef9c14d9b0a97d943b04ba3ea80839d03ff4ba7a925

Aliases

arxiv: 0708.0966 · arxiv_version: 0708.0966v1 · doi: 10.48550/arxiv.0708.0966 · pith_short_12: BRP77BHACNGC · pith_short_16: BRP77BHACNGC34ZW · pith_short_8: BRP77BHA

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/BRP77BHACNGC34ZWJ344CTM3BK \
  | 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: 0c5fff84e0134c2df3364ef9c14d9b0a97d943b04ba3ea80839d03ff4ba7a925

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "206e3473a0318d3b027b6d7009d153a9774ff9c2fd5e727983ad7f760bde9f83",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-08-07T14:44:28Z",
    "title_canon_sha256": "6ef53c417417b96b02ee85b28b62fea72d89423fd074f4f909738ac45b288917"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.0966",
    "kind": "arxiv",
    "version": 1
  }
}