Pith Number

pith:L272S6SW

pith:2012:L272S6SWOT2A3UCTWTR5XR6NCN

not attested not anchored not stored refs pending

Geodesic Motion in the (Charged) Doubly Spinning Black Ring Spacetime

Jutta Kunz, Saskia Grunau, Valeria Kagramanova

arxiv:1212.0416 v1 · 2012-12-03 · gr-qc

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

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	2026-05-18T03:29:50.478153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ebfa97a5674f40dd053b4e3dbc7cd13789bc07de6310445bd462b78915d5000

Aliases

arxiv: 1212.0416 · arxiv_version: 1212.0416v1 · doi: 10.48550/arxiv.1212.0416 · pith_short_12: L272S6SWOT2A · pith_short_16: L272S6SWOT2A3UCT · pith_short_8: L272S6SW

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/L272S6SWOT2A3UCTWTR5XR6NCN \
  | 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: 5ebfa97a5674f40dd053b4e3dbc7cd13789bc07de6310445bd462b78915d5000

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86a3fcba493dc187d1d7dbe16f700eb168a6fa98515940a68677aa2b0352a09d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-12-03T15:29:08Z",
    "title_canon_sha256": "2030c6ff7f06d2be14cec070e694a3355134d82236af9fd0d3f3d02faaf9230e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0416",
    "kind": "arxiv",
    "version": 1
  }
}