Pith Number

pith:L5GTRKW2

pith:2013:L5GTRKW2LJZ5OYC7VL4VQLZTTI

not attested not anchored not stored refs pending

A statistical analysis of circumstellar material in Type Ia supernovae

Armin Rest, Assaf Sternberg, Avishay Gal-Yam, Charles Baltay, Claudia Guti\'errez, Cosimo Inserra, Cristina Knapic, D. Andrew Howell, David Bersier, David Rabinowitz, David R. Young, David Sand, Elena Hadjiyska, Emma S. Walker, Eran O. Ofek, Ferdinando Patat, Francesco Taddia, Francisco F\"orster, Giorgos Leloudas, Isobel M. Hook, Joshua D. Simon, Kate Maguire, Marco Molinaro, Mark Sullivan, Melissa L. Graham, Morgan Fraser, Nadejda Blagorodnova, Nancy Ellman, Nicholas A. Walton, Nidia Morrell, Paolo Mazzali, Peter E. Nugent, Philipp Podsiadlowski, Riccardo Smareglia, R. R. Laher, Ryan McKinnon, Santiago Gonz\'alez-Gait\'an, Stefano Valenti, Stephan Hachinger, Stephen J. Smartt, Steven Margheim, Suhail Dhawan, Ting-Wan Chen, Ulrich Feindt, Yen-Chen Pan

arxiv:1308.3899 v1 · 2013-08-18 · 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{L5GTRKW2LJZ5OYC7VL4VQLZTTI}

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	2026-05-18T01:48:14.197010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f4d38aada5a73d7605faaf9582f339a29b97b955a111e7611dfec1d6fe88e91

Aliases

arxiv: 1308.3899 · arxiv_version: 1308.3899v1 · doi: 10.48550/arxiv.1308.3899 · pith_short_12: L5GTRKW2LJZ5 · pith_short_16: L5GTRKW2LJZ5OYC7 · pith_short_8: L5GTRKW2

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/L5GTRKW2LJZ5OYC7VL4VQLZTTI \
  | 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: 5f4d38aada5a73d7605faaf9582f339a29b97b955a111e7611dfec1d6fe88e91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a8da3613b7cde7fe5c2ce6f593544fbff10fd12719a378cdbfdc98e0c02f6f3",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-08-18T22:10:04Z",
    "title_canon_sha256": "c4fc57ecf12aea210cb4855c355152fa994066d381747e46169e48be9bea4b47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3899",
    "kind": "arxiv",
    "version": 1
  }
}