Pith Number

pith:6V4QHWZD

pith:2017:6V4QHWZDI7BDHPLWXUUHI4Q6ZV

not attested not anchored not stored refs pending

Nonlinear CR automorphisms of Levi degenerate hypersurfaces and a new gap phenomenon

Francine Meylan, Martin Kolar

arxiv:1703.07123 v1 · 2017-03-21 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6V4QHWZDI7BDHPLWXUUHI4Q6ZV}

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	2026-05-18T00:48:11.261531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f57903db2347c233bd76bd2874721ecd7badec8a7e70ebbed3eae961fa11ffcb

Aliases

arxiv: 1703.07123 · arxiv_version: 1703.07123v1 · doi: 10.48550/arxiv.1703.07123 · pith_short_12: 6V4QHWZDI7BD · pith_short_16: 6V4QHWZDI7BDHPLW · pith_short_8: 6V4QHWZD

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/6V4QHWZDI7BDHPLWXUUHI4Q6ZV \
  | 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: f57903db2347c233bd76bd2874721ecd7badec8a7e70ebbed3eae961fa11ffcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5301fe9f79626daba170a6084362c5ad32c02918cb4e69c8af0bbb1fc80c7ba0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2017-03-21T10:12:26Z",
    "title_canon_sha256": "ccf3e818574f27cb05b6233498a05066368d61af4563fb85b4b2f2ad77634800"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07123",
    "kind": "arxiv",
    "version": 1
  }
}