Pith Number

pith:BVRDXMCB

pith:2011:BVRDXMCBG4JWQF2YZAMJZQHICQ

not attested not anchored not stored refs pending

Examples of naturally reductive pseudo-Riemannian Lie groups

Gabriela P. Ovando

arxiv:1104.4971 v1 · 2011-04-26 · 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{BVRDXMCBG4JWQF2YZAMJZQHICQ}

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	2026-05-18T02:02:14.642107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d623bb0413713681758c8189cc0e81423b410dbe14a193b7f8e242d7ef9d910

Aliases

arxiv: 1104.4971 · arxiv_version: 1104.4971v1 · doi: 10.48550/arxiv.1104.4971 · pith_short_12: BVRDXMCBG4JW · pith_short_16: BVRDXMCBG4JWQF2Y · pith_short_8: BVRDXMCB

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/BVRDXMCBG4JWQF2YZAMJZQHICQ \
  | 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: 0d623bb0413713681758c8189cc0e81423b410dbe14a193b7f8e242d7ef9d910

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19596e2cb4d31ecb865b128d5fd7a0924e7ea929d001157026e8d50bea05fb80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-04-26T17:13:02Z",
    "title_canon_sha256": "b7730f6aee2ca84d84f62a4acbebefcb5573ead7c8a4510da66236eaa1ac833a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4971",
    "kind": "arxiv",
    "version": 1
  }
}