pith. sign in
Pith Number

pith:PFXF7RGT

pith:2014:PFXF7RGTC7WHJAWBILNGFW4KJF
not attested not anchored not stored refs pending

Comparison between hemisphere comparison method and dipole-fitting method in tracing the anisotropic expansion of the Universe use the Union2 dataset

Hai-Nan Lin, Zhe Chang

arxiv:1411.1466 v1 · 2014-11-06 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PFXF7RGTC7WHJAWBILNGFW4KJF}

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 2026-05-18T02:32:21.562392Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

796e5fc4d317ec7482c142da62db8a495cf7e524e229311b989e3c33d1ef2d58

Aliases

arxiv: 1411.1466 · arxiv_version: 1411.1466v1 · doi: 10.48550/arxiv.1411.1466 · pith_short_12: PFXF7RGTC7WH · pith_short_16: PFXF7RGTC7WHJAWB · pith_short_8: PFXF7RGT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PFXF7RGTC7WHJAWBILNGFW4KJF \
  | 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: 796e5fc4d317ec7482c142da62db8a495cf7e524e229311b989e3c33d1ef2d58
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9c0dc5fbeb8417e4831da86587e8eb759f6441cabaa9449de80924b3496ec230",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-11-06T01:12:30Z",
    "title_canon_sha256": "999314c857b21052da9ed43c7b8b78fea4971f46ec3cdca4c95cc836a1729338"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.1466",
    "kind": "arxiv",
    "version": 1
  }
}