Pith Number

pith:EQSQ43P3

pith:2009:EQSQ43P3R2CJIME234PG7SJZ4K

not attested not anchored not stored refs pending

Subaru FOCAS Spectroscopic Observations of High-Redshift Supernovae

Anthony L. Spadafora, Ariel Goobar, Christopher Lidman, D. Andrew Howell, David Rubin, Gerson Goldhaber, Greg Aldering, Hannah K. Fakhouri, Hiroyuki Utsunomiya, Hisanori Furusawa, Isobel M. Hook, Joshua Meyers, Junji Hayano, Kohki Konishi, Kouichi Tokita, Kyle Barbary, Kyle Dawson, Lifan Wang (Supernova Cosmology Project), Mamoru Doi, Naohiro Takanashi, Naoki Yasuda, Nao Suzuki, Nobunari Kashikawa, Rahman Amanullah, Reynald Pain, Rob A. Knop, Saul Perlmutter, Takashi Hattori, Takeshi Oda, Tomoki Morokuma, Tomonori Totani, Vitaliy Fadeyev, Yutaka Ihara

arxiv:0911.1258 v1 · 2009-11-06 · 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{EQSQ43P3R2CJIME234PG7SJZ4K}

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	2026-05-18T02:10:58.797550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24250e6dfb8e8494309adf1e6fc939e296e275d4f7ab8facd581c53d30a9313f

Aliases

arxiv: 0911.1258 · arxiv_version: 0911.1258v1 · doi: 10.48550/arxiv.0911.1258 · pith_short_12: EQSQ43P3R2CJ · pith_short_16: EQSQ43P3R2CJIME2 · pith_short_8: EQSQ43P3

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/EQSQ43P3R2CJIME234PG7SJZ4K \
  | 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: 24250e6dfb8e8494309adf1e6fc939e296e275d4f7ab8facd581c53d30a9313f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0eb9b96fbea976837801cb2737541468d20c17e9d729462a1af464e977716f81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-06T14:44:01Z",
    "title_canon_sha256": "20642233f328f51ee7044a32c716dce86673ccbe3e4fc133aaf02b945a6cbeb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1258",
    "kind": "arxiv",
    "version": 1
  }
}