Pith Number

pith:2U4GYOH3

pith:2015:2U4GYOH3O2WFICBY7CN7WLHUGO

not attested not anchored not stored refs pending

Almost complex structures in 6D with nondegenerate Nijenhuis tensors and large symmetry groups

Boris Kruglikov, Henrik Winther

arxiv:1512.07161 v1 · 2015-12-22 · math.DG · math.RT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2U4GYOH3O2WFICBY7CN7WLHUGO}

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	2026-05-18T01:23:52.761425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5386c38fb76ac540838f89bfb2cf433a01e423ba33133654351a014190f1693

Aliases

arxiv: 1512.07161 · arxiv_version: 1512.07161v1 · doi: 10.48550/arxiv.1512.07161 · pith_short_12: 2U4GYOH3O2WF · pith_short_16: 2U4GYOH3O2WFICBY · pith_short_8: 2U4GYOH3

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/2U4GYOH3O2WFICBY7CN7WLHUGO \
  | 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: d5386c38fb76ac540838f89bfb2cf433a01e423ba33133654351a014190f1693

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f2421afceb604084e5802bd854788f4cdd23a4966273735556835ad498fdb7a",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-12-22T17:16:29Z",
    "title_canon_sha256": "7d971dd61b26fbdf7e25c11eab086fa2781606c23551809532b8d7bc69aab083"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.07161",
    "kind": "arxiv",
    "version": 1
  }
}