Pith Number

pith:VCL2QV2X

pith:2018:VCL2QV2X6RL5OWMPUTYAYIMHSV

not attested not anchored not stored refs pending

Differential invariants of Einstein-Weyl structures in 3D

Boris Kruglikov, Eivind Schneider

arxiv:1802.00702 v1 · 2018-02-02 · math.DG · math-ph · math.MP · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VCL2QV2X6RL5OWMPUTYAYIMHSV}

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	2026-05-18T00:09:16.386557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a897a85757f457d7598fa4f00c218795556c9431bb11b4efd8da00de8ce22b46

Aliases

arxiv: 1802.00702 · arxiv_version: 1802.00702v1 · doi: 10.48550/arxiv.1802.00702 · pith_short_12: VCL2QV2X6RL5 · pith_short_16: VCL2QV2X6RL5OWMP · pith_short_8: VCL2QV2X

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/VCL2QV2X6RL5OWMPUTYAYIMHSV \
  | 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: a897a85757f457d7598fa4f00c218795556c9431bb11b4efd8da00de8ce22b46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea03743c926ba491fe38fef5626c9c226c9e3a03c3ac866238a8ecac0062e7da",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-02-02T14:37:06Z",
    "title_canon_sha256": "b8aa392eb20f542f4992954b889ca96523fbc4d9aaea4daf5214be8a5f2d8bff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00702",
    "kind": "arxiv",
    "version": 1
  }
}