pith. sign in
Pith Number

pith:PNP3BPBK

pith:2016:PNP3BPBKA7R2XRHL77DCL4IR4E
not attested not anchored not stored refs pending

Constraining cosmic isotropy with type Ia supernovae

A. Bernui, C. A. P. Bengaly, Jr., J. S. Alcaniz

arxiv:1602.01389 v1 · 2016-02-03 · astro-ph.CO · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PNP3BPBKA7R2XRHL77DCL4IR4E}

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 2026-05-18T01:21:20.309998Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7b5fb0bc2a07e3abc4ebffc625f111e11f3e3a493dccb01fa4158a1952b3c224

Aliases

arxiv: 1602.01389 · arxiv_version: 1602.01389v1 · doi: 10.48550/arxiv.1602.01389 · pith_short_12: PNP3BPBKA7R2 · pith_short_16: PNP3BPBKA7R2XRHL · pith_short_8: PNP3BPBK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PNP3BPBKA7R2XRHL77DCL4IR4E \
  | 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: 7b5fb0bc2a07e3abc4ebffc625f111e11f3e3a493dccb01fa4158a1952b3c224
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1b24b70e68978b9b5dedc6ee4ccf5426ed58707c1f8d02ab024f1fa4677573ce",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-02-03T17:43:43Z",
    "title_canon_sha256": "580b9e4720a239b4bb29a862b4726dd9281232ed7a17f6acf653844a6cdbe939"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01389",
    "kind": "arxiv",
    "version": 1
  }
}