Pith Number

pith:XZ3EA7VI

pith:2012:XZ3EA7VI7WCJJ6MTCLH5LA7PXP

not attested not anchored not stored refs pending

Caltech Core-Collapse Project (CCCP) Observations of Type II Supernovae: Evidence for Three Distinct Photometric Subtypes

Adam B. Becker, Alicia M. Soderberg, Avishay Gal-Yam, Dae-Sik Moon, Daniel Chamudot, David J. Sand, Derek B. Fox, Douglas C. Leonard, Gali Birenbaum, Iair Arcavi, Jonathan Zhou, Michael Kiewe, Ofer Yaron, Raphael Scheps, S. Bradley Cenko

arxiv:1206.2029 v2 · 2012-06-10 · 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{XZ3EA7VI7WCJJ6MTCLH5LA7PXP}

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	2026-05-18T01:57:00.263480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be76407ea8fd8494f99312cfd583efbbf8ea3060cfe23174a4d22b7d5f6d6bdd

Aliases

arxiv: 1206.2029 · arxiv_version: 1206.2029v2 · doi: 10.48550/arxiv.1206.2029 · pith_short_12: XZ3EA7VI7WCJ · pith_short_16: XZ3EA7VI7WCJJ6MT · pith_short_8: XZ3EA7VI

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/XZ3EA7VI7WCJJ6MTCLH5LA7PXP \
  | 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: be76407ea8fd8494f99312cfd583efbbf8ea3060cfe23174a4d22b7d5f6d6bdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02573e4bcc076a53054081a21ef127bdff105c16754a49384b522b2bc068248b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-06-10T13:40:15Z",
    "title_canon_sha256": "92657fcef78bb2d341175865d9591ba9d3fc3473e07662207eef497c9ebae217"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2029",
    "kind": "arxiv",
    "version": 2
  }
}