Pith Number

pith:3PNAZGYW

pith:2014:3PNAZGYWKHLC52OZGFREJFJY73

not attested not anchored not stored refs pending

Parallel *-Ricci tensor of real hypersurfaces in CP^2 and CH^2

Georgios Kaimakamis, Konstantina Panagiotidou

arxiv:1401.6794 v1 · 2014-01-27 · 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{3PNAZGYWKHLC52OZGFREJFJY73}

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	2026-05-18T03:01:00.626164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbda0c9b1651d62ee9d93162449538fef3674c388198f58d4795695b80c4e4e6

Aliases

arxiv: 1401.6794 · arxiv_version: 1401.6794v1 · doi: 10.48550/arxiv.1401.6794 · pith_short_12: 3PNAZGYWKHLC · pith_short_16: 3PNAZGYWKHLC52OZ · pith_short_8: 3PNAZGYW

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/3PNAZGYWKHLC52OZGFREJFJY73 \
  | 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: dbda0c9b1651d62ee9d93162449538fef3674c388198f58d4795695b80c4e4e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f84c16dfd8d28d574ac87c81d5d87417f4b6cd4a489d92ee127f9e6c67a108cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-01-27T10:26:01Z",
    "title_canon_sha256": "8b579945eb8fb6c6f6cfffc902ae15c3a104e3a154d5515ef463e85ae65c623c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6794",
    "kind": "arxiv",
    "version": 1
  }
}