Pith Number

pith:M4N5CHMY

pith:2017:M4N5CHMY7D3ZRFKPRXZDV3SDPK

not attested not anchored not stored refs pending

Non-naturally reductive Einstein metrics on normal homogeneous Einstein manifolds

ShaoQiang Deng, Zaili Yan

arxiv:1703.09545 v1 · 2017-03-28 · 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{M4N5CHMY7D3ZRFKPRXZDV3SDPK}

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	2026-05-18T00:47:44.299817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

671bd11d98f8f798954f8df23aee437abaa671795516c23d866b15118d253605

Aliases

arxiv: 1703.09545 · arxiv_version: 1703.09545v1 · doi: 10.48550/arxiv.1703.09545 · pith_short_12: M4N5CHMY7D3Z · pith_short_16: M4N5CHMY7D3ZRFKP · pith_short_8: M4N5CHMY

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/M4N5CHMY7D3ZRFKPRXZDV3SDPK \
  | 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: 671bd11d98f8f798954f8df23aee437abaa671795516c23d866b15118d253605

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4209596ca8671e4ffb6812f2538f9bca21278141cc03f6c3545ba25f056728be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-03-28T12:39:23Z",
    "title_canon_sha256": "f9579aa278b4e5b7048eb1832c8a5421f6414c6c1b9faa1b74749a5be8e78d58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09545",
    "kind": "arxiv",
    "version": 1
  }
}