Pith Number

pith:YH2AF66Z

pith:2004:YH2AF66ZKVXRIFE7UVUISX42NR

not attested not anchored not stored refs pending

Signature of Electron Capture in Iron-Rich Ejecta of SN 2003du

Christopher L. Gerardy, Keiichi Maeda, Kenichi Nomoto, Kentaro Motohara, Nozomu Tominaga, Peter Hoeflich, Robert A. Fesen, Takuya Ohkubo

arxiv:astro-ph/0409185 v1 · 2004-09-08 · 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{YH2AF66ZKVXRIFE7UVUISX42NR}

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

Numerical and Physical Challenges to Nebular Spectroscopy in Thermonuclear Supernovae

Receipt and verification

First computed	2026-07-04T16:44:39.326863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1f402fbd9556f14149fa568895f9a6c43496056762fb2176d31d1cfe8dd5fc8

Aliases

arxiv: astro-ph/0409185 · arxiv_version: astro-ph/0409185v1 · doi: 10.48550/arxiv.astro-ph/0409185 · pith_short_12: YH2AF66ZKVXR · pith_short_16: YH2AF66ZKVXRIFE7 · pith_short_8: YH2AF66Z

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/YH2AF66ZKVXRIFE7UVUISX42NR \
  | 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: c1f402fbd9556f14149fa568895f9a6c43496056762fb2176d31d1cfe8dd5fc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "305df49bb81fd4a90ef4b23ebc8dc65e885f79494328c449b9a869ee29f17f18",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-08T13:14:31Z",
    "title_canon_sha256": "966e287bf9c12fb3c3c991d22fc4da0e08b5345ed4b92da723b495c98aec055c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409185",
    "kind": "arxiv",
    "version": 1
  }
}