Pith Number

pith:DYCVTJSC

pith:2013:DYCVTJSC2DWWAKM4AEXPULMIV2

not attested not anchored not stored refs pending

Spectroscopic Observations of SN 2012fr: A Luminous Normal Type Ia Supernova with Early High Velocity Features and Late Velocity Plateau

A. Gal-Yam, A. V. Filippenko, B. E. Schaefer, B. E. Tucker, B. P. Schmidt, C. Contreras, C. de Burgh-Day, C. Lidman, C. McCully, D. D. R. Bayliss, D. J. Carson, E. L. Gates, E. Y. Hsiao, F. Bufano, F. Forster, F. P. A. Vogt, F. Taddia, F. Yuan, G. A. Blanc, G. Pignata, G. Zhou, I-T. Ho, J. A. Rich, J. J. Fang, J. Maund, J. M. Silverman, J. P. Anderson, J. R. Mould, J. Spyromilio, K. I. Clubb, K. Maguire, L. Le Guillou, L. Pei, M. Bessell, M. B. Pracy, M. J. Childress, M. Owers, M. Phillips, M. Stritzinger, M. Sullivan, N. Morrell, N. Scott, N. S. Loaring, O. D. Fox, P. A. Mazzali, P. L. Kelly, R. A. Scalzo, S. A. Sim, S. B. Cenko, S. Benetti, S. Keller, S. Ozbilgen, S. Smartt, S. Valenti, S. W. Jha, T. D. Desjardins, T. de Jaeger, T. Pickering

arxiv:1302.2926 v2 · 2013-02-12 · 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{DYCVTJSC2DWWAKM4AEXPULMIV2}

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	2026-05-18T01:51:41.990389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e0559a642d0ed60299c012efa2d88aeae6948194ad54486f27043513f8a5ee1

Aliases

arxiv: 1302.2926 · arxiv_version: 1302.2926v2 · doi: 10.48550/arxiv.1302.2926 · pith_short_12: DYCVTJSC2DWW · pith_short_16: DYCVTJSC2DWWAKM4 · pith_short_8: DYCVTJSC

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/DYCVTJSC2DWWAKM4AEXPULMIV2 \
  | 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: 1e0559a642d0ed60299c012efa2d88aeae6948194ad54486f27043513f8a5ee1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73c5bd883e468a3c4d1125f5dd96437d70667ff816798a2e1070300207e3e80b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-12T21:07:05Z",
    "title_canon_sha256": "8809e94ae81ab291d7fded0a01c7f7c5d3a347f1b5150aa2d9310f8142371831"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2926",
    "kind": "arxiv",
    "version": 2
  }
}