Pith Number

pith:22WSEIMO

pith:2013:22WSEIMOYG4WGRHIGODS7CXOK5

not attested not anchored not stored refs pending

New examples of non-symmetric Einstein solvmanifolds of negative Ricci curvature

Megan M. Kerr

arxiv:1306.5203 v2 · 2013-06-21 · 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{22WSEIMOYG4WGRHIGODS7CXOK5}

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	2026-05-18T03:03:32.058833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6ad22218ec1b96344e833872f8aee5757fcd72630714bc3062ffdb2ffef8256

Aliases

arxiv: 1306.5203 · arxiv_version: 1306.5203v2 · doi: 10.48550/arxiv.1306.5203 · pith_short_12: 22WSEIMOYG4W · pith_short_16: 22WSEIMOYG4WGRHI · pith_short_8: 22WSEIMO

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/22WSEIMOYG4WGRHIGODS7CXOK5 \
  | 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: d6ad22218ec1b96344e833872f8aee5757fcd72630714bc3062ffdb2ffef8256

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20267e0cff2abce233266680d237ee2daa21aae6c3ab261122186a5a25dfc3ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-06-21T18:00:44Z",
    "title_canon_sha256": "992e4952698c98d1fc61dc1fbb63acf7a0fe70992cb618a669371d40c8d4898b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5203",
    "kind": "arxiv",
    "version": 2
  }
}