Pith Number

pith:T3GWN632

pith:2008:T3GWN6325HR26W5M3AFEVTGDCT

not attested not anchored not stored refs pending

Time Dilation in Type Ia Supernova Spectra at High Redshift

A. C. Becker, A. Clocchiatti, A. G. Riess, A. Rest, A. V. Filippenko, A. Zenteno, B. E. Tucker, B. Leibundgut, B. P. Schmidt, C. W. Stubbs, G. Damke, G. Miknaitis, G. Narayan, G. Pignata, J. L. Tonry, J. M. Silverman, J. Sollerman, J. Spyromilio, K. Krisciunas, M. Stritzinger, N. B. Suntzeff, P. Challis, P. M. Garnavich, R. C. Smith, R. J. Foley, R. P. Kirshner, S. Blondin, S. W. Jha, T. Matheson, T. M. Davis, W. Li, W. M. Wood-Vasey

arxiv:0804.3595 v1 · 2008-04-22 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T3GWN6325HR26W5M3AFEVTGDCT}

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	2026-07-04T15:13:25.857430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ecd66fb7ae9e3af5bacd80a4accc314d81423395d1a20b1c873f56744383690

Aliases

arxiv: 0804.3595 · arxiv_version: 0804.3595v1 · doi: 10.48550/arxiv.0804.3595 · pith_short_12: T3GWN6325HR2 · pith_short_16: T3GWN6325HR26W5M · pith_short_8: T3GWN632

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/T3GWN6325HR26W5M3AFEVTGDCT \
  | 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: 9ecd66fb7ae9e3af5bacd80a4accc314d81423395d1a20b1c873f56744383690

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfcadf5002693b9de04b577816eba61ddad8481436527255306975e5611d0950",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-04-22T20:00:23Z",
    "title_canon_sha256": "410d553d8086219e8f42433375301429a5e79a36c1fd9a38072cb709838a3c09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.3595",
    "kind": "arxiv",
    "version": 1
  }
}