Pith Number

pith:7YMTKXKS

pith:2013:7YMTKXKSGZZBAIRQMWYZJHOUW2

not attested not anchored not stored refs pending

Discovery, Progenitor & Early Evolution of a Stripped Envelope Supernova iPTF13bvn

Assaf Horesh, Avishay Gal-Yam, Christopher Gelino, D. Andrew Howell, David Sand, Emma Walker, Eran O. Ofek, Evgeny Gorbikov, Frank Masci, G. H. Marion, Iair Arcavi, Jason Surace, J. Craig Wheeler, Jeffrey M. Silverman, John Carpenter, Josh Bloom, Mansi M. Kasliwal, Melissa Graham, Nathalie Degenaar, Ofer Yaron, Paolo Mazzali, Paul Hancock, Peter E. Nugent, S. Bradley Cenko, S. R. Kulkarni, Stefano Valenti, Yi Cao

arxiv:1307.1470 v2 · 2013-07-04 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7YMTKXKSGZZBAIRQMWYZJHOUW2}

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	2026-05-18T03:13:35.505062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe19355d52367210223065b1949dd4b69af9e3e6fb1ae17625104b5fc3a25757

Aliases

arxiv: 1307.1470 · arxiv_version: 1307.1470v2 · doi: 10.48550/arxiv.1307.1470 · pith_short_12: 7YMTKXKSGZZB · pith_short_16: 7YMTKXKSGZZBAIRQ · pith_short_8: 7YMTKXKS

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/7YMTKXKSGZZBAIRQMWYZJHOUW2 \
  | 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: fe19355d52367210223065b1949dd4b69af9e3e6fb1ae17625104b5fc3a25757

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b47765dcf7cd50242d445670f90bcc79a374e23d4d09b990adf8cc95681770e",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-07-04T20:00:04Z",
    "title_canon_sha256": "1cfd333e4c8c963aedb31073d473392fa11c99ed1792bfbe7fd6f361e3065472"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1470",
    "kind": "arxiv",
    "version": 2
  }
}