Pith Number

pith:VSINUUYH

pith:2017:VSINUUYHGVBMZUKT5HBZGTJU6V

not attested not anchored not stored refs pending

Non-existence of orthogonal complex structures on 6-sphere with a metric close to the round one

Boris Kruglikov

arxiv:1708.07297 v1 · 2017-08-24 · 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{VSINUUYHGVBMZUKT5HBZGTJU6V}

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	2026-05-18T00:36:46.653243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac90da53073542ccd153e9c3934d34f544f6f62b433b5b2309d86c8e696a9339

Aliases

arxiv: 1708.07297 · arxiv_version: 1708.07297v1 · doi: 10.48550/arxiv.1708.07297 · pith_short_12: VSINUUYHGVBM · pith_short_16: VSINUUYHGVBMZUKT · pith_short_8: VSINUUYH

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/VSINUUYHGVBMZUKT5HBZGTJU6V \
  | 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: ac90da53073542ccd153e9c3934d34f544f6f62b433b5b2309d86c8e696a9339

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72f1e17b4ba312ae399d4f95872077d1b83c3e8792ae3a357134b3ac62bca93c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-08-24T07:48:56Z",
    "title_canon_sha256": "386a84eec61b75b97d66bb1d9404022bd2eb49ceb57af84638a39dbd91f9495d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07297",
    "kind": "arxiv",
    "version": 1
  }
}