Pith Number

pith:LKRPZSRZ

pith:2015:LKRPZSRZKJXWNIL6ZLC6FCMYVP

not attested not anchored not stored refs pending

Testing the isotropy of the Universe by using the JLA compilation of type-Ia supernovae

Hai-Nan Lin, Sai Wang, Xin Li, Zhe Chang

arxiv:1504.03428 v2 · 2015-04-14 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LKRPZSRZKJXWNIL6ZLC6FCMYVP}

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	2026-05-18T01:21:45.006923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5aa2fcca39526f66a17ecac5e28998abd11e69ec16213f6d566a63b104a8fbe4

Aliases

arxiv: 1504.03428 · arxiv_version: 1504.03428v2 · doi: 10.48550/arxiv.1504.03428 · pith_short_12: LKRPZSRZKJXW · pith_short_16: LKRPZSRZKJXWNIL6 · pith_short_8: LKRPZSRZ

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/LKRPZSRZKJXWNIL6ZLC6FCMYVP \
  | 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: 5aa2fcca39526f66a17ecac5e28998abd11e69ec16213f6d566a63b104a8fbe4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "377f2c5ef8b72e02983f31609e8db78ac8ee5a7f29fec78dca9de85fc8bced55",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-04-14T06:16:28Z",
    "title_canon_sha256": "1ec7c1035aa1a5cb332fca51a8ccf692258b70856858a0c099f5971b0acbb23a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03428",
    "kind": "arxiv",
    "version": 2
  }
}