Pith Number

pith:BDRIBATS

pith:2013:BDRIBATS6M2DXXY5IGBNY7KM3Z

not attested not anchored not stored refs pending

SN 2012ca: a stripped envelope core-collapse SN interacting with dense circumstellar medium

A. Gal-Yam, A. Jerkstrand, A. Pastorello, C. Inserra, D. Reichart, D. Young, G. Pignata, K. Smith, M. Childress, M. Della Valle, M. Fraser, M. Sullivan, O. Yaron, P. Mazzali, R. Kotak, R. Scalzo, S. Benetti, S. J. Smartt, S. Valenti

arxiv:1307.1791 v2 · 2013-07-06 · 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{BDRIBATS6M2DXXY5IGBNY7KM3Z}

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	2026-05-18T01:48:59.111792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08e2808272f3343bdf1d4182dc7d4cde72c62feb2551a89ac9fd336a842d847d

Aliases

arxiv: 1307.1791 · arxiv_version: 1307.1791v2 · doi: 10.48550/arxiv.1307.1791 · pith_short_12: BDRIBATS6M2D · pith_short_16: BDRIBATS6M2DXXY5 · pith_short_8: BDRIBATS

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/BDRIBATS6M2DXXY5IGBNY7KM3Z \
  | 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: 08e2808272f3343bdf1d4182dc7d4cde72c62feb2551a89ac9fd336a842d847d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a5e1ffcba2118a5418281a8f80bb453ce6adefcd0f36bbc9fa100e9e4e1b6d5",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-07-06T15:18:05Z",
    "title_canon_sha256": "5931cec472a550a98801101f2121cb50270e23a99b33e7a515c46cc93a8902ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1791",
    "kind": "arxiv",
    "version": 2
  }
}