Pith Number

pith:JQ326EIO

pith:2010:JQ326EIO4XT2U35BYLY7TIJIG3

not attested not anchored not stored refs pending

Some triviality results for quasi-Einstein manifolds and Einstein warped products

Michele Rimoldi, Paolo Mastrolia

arxiv:1011.0903 v3 · 2010-11-03 · 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{JQ326EIO4XT2U35BYLY7TIJIG3}

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	2026-05-18T00:01:01.101515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c37af110ee5e7aa6fa1c2f1f9a12836f70ea0d942644a996b6cb24c3e8b2005

Aliases

arxiv: 1011.0903 · arxiv_version: 1011.0903v3 · doi: 10.48550/arxiv.1011.0903 · pith_short_12: JQ326EIO4XT2 · pith_short_16: JQ326EIO4XT2U35B · pith_short_8: JQ326EIO

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/JQ326EIO4XT2U35BYLY7TIJIG3 \
  | 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: 4c37af110ee5e7aa6fa1c2f1f9a12836f70ea0d942644a996b6cb24c3e8b2005

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc0d4f1cc3d9ce4da0d9d9ee83e89075ef2096fff21bed8aa59439d10960ecec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-11-03T14:56:06Z",
    "title_canon_sha256": "a4a048eef5ddabbc27af4529cfa4b1f5cb5c09dc38c73fdc5ee843493a119831"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.0903",
    "kind": "arxiv",
    "version": 3
  }
}