Pith. sign in
Pith Number

pith:ME2ZARRR

pith:2012:ME2ZARRROLARBOZGUAKUWFG4LS
not attested not anchored not stored refs pending

Cosmology with a spin

Joao Magueijo, T.G. Zlosnik, T.W.B. Kibble

arxiv:1212.0585 v2 · 2012-12-03 · astro-ph.CO · gr-qc · hep-ph · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ME2ZARRROLARBOZGUAKUWFG4LS}

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 2026-05-18T01:52:48.106912Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

613590463172c110bb26a0154b14dc5c9abfc032328e2f8394f182b225c640f0

Aliases

arxiv: 1212.0585 · arxiv_version: 1212.0585v2 · doi: 10.48550/arxiv.1212.0585 · pith_short_12: ME2ZARRROLAR · pith_short_16: ME2ZARRROLARBOZG · pith_short_8: ME2ZARRR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ME2ZARRROLARBOZGUAKUWFG4LS \
  | 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: 613590463172c110bb26a0154b14dc5c9abfc032328e2f8394f182b225c640f0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d38bdc1f5135d926582a2dc34d64e553216e9369f168158c91ec5cbbff2073a7",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-12-03T23:22:50Z",
    "title_canon_sha256": "e283923a31af51587625f79c66adf97d3bb2a853e638d9022ba48b9e2b1a0c18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0585",
    "kind": "arxiv",
    "version": 2
  }
}