Pith Number

pith:K7UIQB6T

pith:2011:K7UIQB6THBU5WNLUCZELXRPCF4

not attested not anchored not stored refs pending

A note on the geometrical interpretation of quantum groups and non-commutative spaces in gravity

Carlo Rovelli, Eugenio Bianchi

arxiv:1105.1898 v2 · 2011-05-10 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K7UIQB6THBU5WNLUCZELXRPCF4}

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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.

Cited by

1 paper in Pith

Indefinite probabilities in quantum spacetime: A deepening of unpredictability

Receipt and verification

First computed	2026-05-18T04:16:01.583766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57e88807d33869db35741648bbc5e22f30dde99c5e38c0fcd4d21b1a7ecf2ad4

Aliases

arxiv: 1105.1898 · arxiv_version: 1105.1898v2 · doi: 10.48550/arxiv.1105.1898 · pith_short_12: K7UIQB6THBU5 · pith_short_16: K7UIQB6THBU5WNLU · pith_short_8: K7UIQB6T

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/K7UIQB6THBU5WNLUCZELXRPCF4 \
  | 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: 57e88807d33869db35741648bbc5e22f30dde99c5e38c0fcd4d21b1a7ecf2ad4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04bf16333a778e69f429fc2e9299c453c7b95fd3df0243af9ded9240301505a8",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-05-10T10:10:25Z",
    "title_canon_sha256": "c639e23fdca07bbeb598a5679f12cac89413dca9c9ab22177bbbda91b09186ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1898",
    "kind": "arxiv",
    "version": 2
  }
}