Pith Number

pith:KKAC5UKP

pith:2013:KKAC5UKPZXVO5EBFYHUDD4JMDH

not attested not anchored not stored refs pending

The Discovery of the Most Distant Known Type Ia Supernova at Redshift 1.914

Adam G. Riess, Alexei V. Filippenko, Anton Koekemoer, Bahram Mobasher, Benjamin J. Weiner, Brandon Patel, Brian Hayden, Charles R. Keeton, Curtis McCully, Dale Kocevski, David O. Jones, Henry C. Ferguson, Jens Hjorth, Louis-Gregory Strolger, Norman A. Grogin, Or Graur, Peter Challis, Peter Garnavich, Robert P. Kirshner, Saurabh W. Jha, Stefano Casertano, Steven A. Rodney, Teddy F. Frederiksen, Tomas Dahlen, Tommy G. Wiklind

arxiv:1304.0768 v2 · 2013-04-02 · 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{KKAC5UKPZXVO5EBFYHUDD4JMDH}

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	2026-05-18T01:50:49.845037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52802ed14fcdeaee9025c1e831f12c19e473e68c2395b4382cd43c2b831dca3b

Aliases

arxiv: 1304.0768 · arxiv_version: 1304.0768v2 · doi: 10.48550/arxiv.1304.0768 · pith_short_12: KKAC5UKPZXVO · pith_short_16: KKAC5UKPZXVO5EBF · pith_short_8: KKAC5UKP

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/KKAC5UKPZXVO5EBFYHUDD4JMDH \
  | 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: 52802ed14fcdeaee9025c1e831f12c19e473e68c2395b4382cd43c2b831dca3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eefc1b24d4afbba9792fba518fa5c97c890199e0784418509b214748cf1fdb99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-02T20:00:02Z",
    "title_canon_sha256": "1c1ae7d501e043e43ed1654b2e4193b62d205b10129bf2b6d15befa0ff93651d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0768",
    "kind": "arxiv",
    "version": 2
  }
}