pith. sign in
Pith Number

pith:BMR5KC4O

pith:2011:BMR5KC4OYIXOOH6GX3XZ54UYMC
not attested not anchored not stored refs pending

Poincare 2-group and quantum gravity

Aleksandar Mikovic, Marko Vojinovic

arxiv:1110.4694 v3 · 2011-10-21 · gr-qc · hep-th · math-ph · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BMR5KC4OYIXOOH6GX3XZ54UYMC}

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 2026-05-18T03:36:37.069724Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0b23d50b8ec22ee71fc6beef9ef29860b21979e6b2417fa58ec4d54d522496ed

Aliases

arxiv: 1110.4694 · arxiv_version: 1110.4694v3 · doi: 10.48550/arxiv.1110.4694 · pith_short_12: BMR5KC4OYIXO · pith_short_16: BMR5KC4OYIXOOH6G · pith_short_8: BMR5KC4O
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BMR5KC4OYIXOOH6GX3XZ54UYMC \
  | 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: 0b23d50b8ec22ee71fc6beef9ef29860b21979e6b2417fa58ec4d54d522496ed
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6cc15b4ff1db65a6ca268a5295603d114d9222d2fafb6d6f412af729200c9aa2",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-10-21T03:15:34Z",
    "title_canon_sha256": "54ae3eb07e171e9677142e6a758048c1dacecb9964d4a7f80982bf727a076d4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4694",
    "kind": "arxiv",
    "version": 3
  }
}