Pith Number

pith:XB62VVDF

pith:2014:XB62VVDF2TM3CVVP7E5W46LPOT

not attested not anchored not stored refs pending

Quaternionic contact hypersurfaces in hyper-K\"ahler manifolds

Dimiter Vassilev, Ivan Minchev, Stefan Ivanov

arxiv:1406.4256 v1 · 2014-06-17 · 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{XB62VVDF2TM3CVVP7E5W46LPOT}

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	2026-05-18T02:49:38.011048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b87daad465d4d9b156aff93b6e796f74fc76b6887a798fe66352f58ff3480eab

Aliases

arxiv: 1406.4256 · arxiv_version: 1406.4256v1 · doi: 10.48550/arxiv.1406.4256 · pith_short_12: XB62VVDF2TM3 · pith_short_16: XB62VVDF2TM3CVVP · pith_short_8: XB62VVDF

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/XB62VVDF2TM3CVVP7E5W46LPOT \
  | 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: b87daad465d4d9b156aff93b6e796f74fc76b6887a798fe66352f58ff3480eab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7909048c51cdccd6c746a6cedbe1cd07cd7a157dc1f31b7ab6c03cc66af0f2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-06-17T07:06:46Z",
    "title_canon_sha256": "e1869011d8060a45b44037b8bd1ec3bbecaccdcf929d949867c8c0ca0945e2e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4256",
    "kind": "arxiv",
    "version": 1
  }
}