Pith Number

pith:HD4BBL2I

pith:2015:HD4BBL2IMVK2BZ7PI4MNRM2RMZ

not attested not anchored not stored refs pending

New Einstein metrics on the Lie group $SO(n)$ which are not naturally reductive

Andreas Arvanitoyeorgos, Marina Statha, Yusuke Sakane

arxiv:1511.08849 v1 · 2015-11-25 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HD4BBL2IMVK2BZ7PI4MNRM2RMZ}

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	2026-05-18T01:21:11.131819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38f810af486555a0e7ef4718d8b351665122b12c8e14def8aa821f19bdc88d7d

Aliases

arxiv: 1511.08849 · arxiv_version: 1511.08849v1 · doi: 10.48550/arxiv.1511.08849 · pith_short_12: HD4BBL2IMVK2 · pith_short_16: HD4BBL2IMVK2BZ7P · pith_short_8: HD4BBL2I

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/HD4BBL2IMVK2BZ7PI4MNRM2RMZ \
  | 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: 38f810af486555a0e7ef4718d8b351665122b12c8e14def8aa821f19bdc88d7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5da79b6bc4a184d183f46db61a28b169bc3978e9c9cd7b37a2616f0b255dc35",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-11-25T14:32:53Z",
    "title_canon_sha256": "0f5d980f177ce9dae9936987e13afe6382fb48c2b568b3278569adb3e1e1f427"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.08849",
    "kind": "arxiv",
    "version": 1
  }
}