Pith Number

pith:W3RSFJ3N

pith:2009:W3RSFJ3NFJKALRQTKCYN2VXGVZ

not attested not anchored not stored refs pending

First-Year Sloan Digital Sky Survey-II (SDSS-II) Supernova Results: Constraints on Non-Standard Cosmological Models

A. C. Becker, A. V. Filippenko, B. Bassett, D. Cinabro, D. P. Schneider, E. M\"ortsell, H. Lampeitl, J. C. Wheeler, J. Frieman, J. Marriner, J. Sollerman, J. T. VanderPlas, M. Blomqvist, M. Sako, M. Smith, M. W. Richmond, P. Garnavich, R. C. Nichol, R. J. Foley, R. Miquel, T. M. Davis

arxiv:0908.4276 v2 · 2009-08-28 · 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{W3RSFJ3NFJKALRQTKCYN2VXGVZ}

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	2026-05-18T02:34:37.182222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6e322a76d2a5405c61350b0dd56e6ae6ede76ad55a5518b2f9534249615f955

Aliases

arxiv: 0908.4276 · arxiv_version: 0908.4276v2 · doi: 10.48550/arxiv.0908.4276 · pith_short_12: W3RSFJ3NFJKA · pith_short_16: W3RSFJ3NFJKALRQT · pith_short_8: W3RSFJ3N

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/W3RSFJ3NFJKALRQTKCYN2VXGVZ \
  | 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: b6e322a76d2a5405c61350b0dd56e6ae6ede76ad55a5518b2f9534249615f955

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98158431babf783ed43db83813acc47a116181fb0024df7a3849d6d4e7549119",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-28T20:11:01Z",
    "title_canon_sha256": "2e88acc2dcf49a26fdea1b68e1bd23c19c406e2056e3b200de7fe1332780c501"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4276",
    "kind": "arxiv",
    "version": 2
  }
}