pith. sign in
Pith Number

pith:E4AD2QUG

pith:2010:E4AD2QUGLG663TP562IFFEX36J
not attested not anchored not stored refs pending

Spectral properties of Type Ia supernovae up to z~0.3

A. Goobar, B.A. Bassett, D.P. Schneider, G. Leloudas, J. Frieman, J. Nordin, J. Sollerman, L. Ostman, M. Sako, M. Smith, P.M. Garnavich, R. Amanullah, R.C. Nichol

arxiv:1011.6227 v1 · 2010-11-29 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{E4AD2QUGLG663TP562IFFEX36J}

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 2026-05-18T02:04:37.981388Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

27003d428659bdedcdfdf6905292fbf279beed2af6692a4361e1a02bbbe4e19c

Aliases

arxiv: 1011.6227 · arxiv_version: 1011.6227v1 · doi: 10.48550/arxiv.1011.6227 · pith_short_12: E4AD2QUGLG66 · pith_short_16: E4AD2QUGLG663TP5 · pith_short_8: E4AD2QUG
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/E4AD2QUGLG663TP562IFFEX36J \
  | 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: 27003d428659bdedcdfdf6905292fbf279beed2af6692a4361e1a02bbbe4e19c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ff328b81cbb069c046e30af515bc3868466bd25fa4f224e829c2d428f0dc3050",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-29T13:50:50Z",
    "title_canon_sha256": "3287a48c627edb7aa06386f4d49b14c08c5a5522173d541f0886f0e062cc2ec9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.6227",
    "kind": "arxiv",
    "version": 1
  }
}