Pith Number

pith:4JOU6Y7J

pith:2013:4JOU6Y7JOBLDZUPXQGT7R4ZLGR

not attested not anchored not stored refs pending

Towards an understanding of Type Ia supernovae from a synthesis of theory and observations

A. J. Ruiter, F. K. R\"opke, M. Kromer, W. Hillebrandt

arxiv:1302.6420 v1 · 2013-02-26 · astro-ph.CO · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4JOU6Y7JOBLDZUPXQGT7R4ZLGR}

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	2026-05-18T03:32:29.287956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e25d4f63e970563cd1f781a7f8f32b344b84f5a4386e38c253bec85b22638620

Aliases

arxiv: 1302.6420 · arxiv_version: 1302.6420v1 · doi: 10.48550/arxiv.1302.6420 · pith_short_12: 4JOU6Y7JOBLD · pith_short_16: 4JOU6Y7JOBLDZUPX · pith_short_8: 4JOU6Y7J

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/4JOU6Y7JOBLDZUPXQGT7R4ZLGR \
  | 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: e25d4f63e970563cd1f781a7f8f32b344b84f5a4386e38c253bec85b22638620

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d765c1d154cd708f26d9dacc3adcc56cb01a5538a2f9a318b3283aa2ef296ab6",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-26T12:57:38Z",
    "title_canon_sha256": "318064f7660d2aabc5042f9f270602a391176ac5ee9281fe49f07970607c86bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6420",
    "kind": "arxiv",
    "version": 1
  }
}