Pith Number

pith:X7ZJMDIF

pith:2011:X7ZJMDIFEDQ3LRCO7OKDVCSRD2

not attested not anchored not stored refs pending

Late-time Light Curves of Type II Supernovae: Physical Properties of SNe and Their Environment

Barbara Ercolano, Ben E. K. Sugerman, Douglas Welch, Geoffrey C. Clayton, Jennifer E. Andrews, Joanna Fabbri, Joseph S. Gallagher, Margaret Meixner, Masaaki Otsuka, Michael J. Barlow, Nino Panagia, Roger Wesson

arxiv:1111.5041 v2 · 2011-11-21 · 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{X7ZJMDIFEDQ3LRCO7OKDVCSRD2}

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	2026-05-18T01:59:27.202637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bff2960d0520e1b5c44efb943a8a511e922e5c618f7a7f7f440850bf08336393

Aliases

arxiv: 1111.5041 · arxiv_version: 1111.5041v2 · doi: 10.48550/arxiv.1111.5041 · pith_short_12: X7ZJMDIFEDQ3 · pith_short_16: X7ZJMDIFEDQ3LRCO · pith_short_8: X7ZJMDIF

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/X7ZJMDIFEDQ3LRCO7OKDVCSRD2 \
  | 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: bff2960d0520e1b5c44efb943a8a511e922e5c618f7a7f7f440850bf08336393

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7264dfa6128be1ed56497c3e8e55d65333d19ef2575ecd45b306dff3a55ab7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-21T21:51:25Z",
    "title_canon_sha256": "40ed347a131c17d240912ba5b6cb82da9804ea0887802d39d88017a721de02dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5041",
    "kind": "arxiv",
    "version": 2
  }
}