Pith Number

pith:QQFCSW6Q

pith:2010:QQFCSW6QSF35HWNNWSI36KLYE2

not attested not anchored not stored refs pending

On the boundedness of the sectional curvature of almost Hermitian manifolds

Adrijan Borisov, Ognian Kassabov

arxiv:1008.1933 v1 · 2010-08-11 · 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{QQFCSW6QSF35HWNNWSI36KLYE2}

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	2026-05-18T04:42:22.685649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

840a295bd09177d3d9adb491bf297826a76b791dc0b15193059d0867590d3503

Aliases

arxiv: 1008.1933 · arxiv_version: 1008.1933v1 · doi: 10.48550/arxiv.1008.1933 · pith_short_12: QQFCSW6QSF35 · pith_short_16: QQFCSW6QSF35HWNN · pith_short_8: QQFCSW6Q

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/QQFCSW6QSF35HWNNWSI36KLYE2 \
  | 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: 840a295bd09177d3d9adb491bf297826a76b791dc0b15193059d0867590d3503

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea59169423da9a8a489899050325f45f7ca8e7e88457e9bd3299db261a212360",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-08-11T15:01:11Z",
    "title_canon_sha256": "03ddf720b40edc0fb7207561ee3ac4b6014a2a38d19f515d8633cb682d009160"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.1933",
    "kind": "arxiv",
    "version": 1
  }
}