Pith Number

pith:6UEYYQSV

pith:2017:6UEYYQSVG6N6Y7WQQEM6RUR3RF

not attested not anchored not stored refs pending

A new proof of the $C^\infty$ regularity of $C^2$ conformal mappings on the Heisenberg group

Alex D. Austin, Jeremy T. Tyson

arxiv:1701.03182 v1 · 2017-01-11 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6UEYYQSVG6N6Y7WQQEM6RUR3RF}

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	2026-05-18T00:52:58.280875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5098c4255379bec7ed08119e8d23b897ad497c0a3488ad4e93610a1136c964d

Aliases

arxiv: 1701.03182 · arxiv_version: 1701.03182v1 · doi: 10.48550/arxiv.1701.03182 · pith_short_12: 6UEYYQSVG6N6 · pith_short_16: 6UEYYQSVG6N6Y7WQ · pith_short_8: 6UEYYQSV

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/6UEYYQSVG6N6Y7WQQEM6RUR3RF \
  | 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: f5098c4255379bec7ed08119e8d23b897ad497c0a3488ad4e93610a1136c964d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07a432b0d2fbd25ca5a7a279e81cc7b2ae1824b31578fa2462d5cb74638e247a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-01-11T22:49:20Z",
    "title_canon_sha256": "2d2b7d831b5e25016cc3333efcdfd661625f19aa35c8d40a53c0ff7e56fb00c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03182",
    "kind": "arxiv",
    "version": 1
  }
}