Pith Number

pith:5ERF2J6S

pith:2013:5ERF2J6S4OKKUUCGMUV6IO6F5L

not attested not anchored not stored refs pending

SN 2000cx and SN 2013bh: Extremely Rare, Nearly Twin Type Ia Supernovae

Ariel Goobar, Avishay Gal-Yam, Daniel A. Perley, David Tal, G. H. Marion, Iair Arcavi, Isaac Shivvers, J. Craig Wheeler, Jeffrey M. Silverman, Joel Johansson, Joshua S. Bloom, Jozsef Vinko, Mansi M. Kasliwal, Ori D. Fox, Peter E. Nugent, Rahman Amanullah, Russ Laher, Shrinivas R. Kulkarni, William H. Lee, Yi Cao

arxiv:1307.3555 v2 · 2013-07-12 · astro-ph.SR · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ERF2J6S4OKKUUCGMUV6IO6F5L}

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	2026-05-18T01:48:50.833291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9225d27d2e394aa5046652be43bc5eadaa35ce6f326f7c4385c7e81f75dc3d9

Aliases

arxiv: 1307.3555 · arxiv_version: 1307.3555v2 · doi: 10.48550/arxiv.1307.3555 · pith_short_12: 5ERF2J6S4OKK · pith_short_16: 5ERF2J6S4OKKUUCG · pith_short_8: 5ERF2J6S

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/5ERF2J6S4OKKUUCGMUV6IO6F5L \
  | 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: e9225d27d2e394aa5046652be43bc5eadaa35ce6f326f7c4385c7e81f75dc3d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffc6ec86337522cc7d7b9e07873e782f5a3196e6ce9c9d4e70d90e063acc722f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-07-12T20:00:02Z",
    "title_canon_sha256": "4a98e61e71a5a29787dec135d2ef0d3786d5bdb21558c6345ff4e685fdda4834"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3555",
    "kind": "arxiv",
    "version": 2
  }
}