Pith Number

pith:U6KAEGKJ

pith:2018:U6KAEGKJFRP6C2WE52S4P6RIBE

not attested not anchored not stored refs pending

Curvature properties of Quasi-Para-Sasakian Manifolds

\.Irem K\"upeli Erken

arxiv:1807.04138 v1 · 2018-07-10 · 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{U6KAEGKJFRP6C2WE52S4P6RIBE}

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	2026-05-18T00:10:57.863010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7940219492c5fe16ac4eea5c7fa280916cc2dd639d412a077b5a382cf8c0476

Aliases

arxiv: 1807.04138 · arxiv_version: 1807.04138v1 · doi: 10.48550/arxiv.1807.04138 · pith_short_12: U6KAEGKJFRP6 · pith_short_16: U6KAEGKJFRP6C2WE · pith_short_8: U6KAEGKJ

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/U6KAEGKJFRP6C2WE52S4P6RIBE \
  | 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: a7940219492c5fe16ac4eea5c7fa280916cc2dd639d412a077b5a382cf8c0476

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ded9973d461708c3505580a5bae6b7e84a49cdce2caf4fad5601e4d79e5fb89b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-07-10T09:46:23Z",
    "title_canon_sha256": "6eff59b7f5386ce8338533bc3ddad13ad0f43715ffea1fa7586545360df4c3f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04138",
    "kind": "arxiv",
    "version": 1
  }
}