Pith Number

pith:EUQFZAPR

pith:2017:EUQFZAPRRLBRM73V2SAKYAH3WZ

not attested not anchored not stored refs pending

A Koebe distortion theorem for quasiconformal mappings in the Heisenberg group

Ben Warhurst, Katrin F\"assler, Tomasz Adamowicz

arxiv:1707.02832 v2 · 2017-07-10 · math.MG · math.AP · 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{EUQFZAPRRLBRM73V2SAKYAH3WZ}

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	2026-05-17T23:45:56.933321Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25205c81f18ac3167f75d480ac00fbb64d3b8104349dcad41b3799ee2d546917

Aliases

arxiv: 1707.02832 · arxiv_version: 1707.02832v2 · doi: 10.48550/arxiv.1707.02832 · pith_short_12: EUQFZAPRRLBR · pith_short_16: EUQFZAPRRLBRM73V · pith_short_8: EUQFZAPR

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/EUQFZAPRRLBRM73V2SAKYAH3WZ \
  | 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: 25205c81f18ac3167f75d480ac00fbb64d3b8104349dcad41b3799ee2d546917

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2371bbc66f95acda3f0c4e52ce7ae073aaad847e47a175143ca2785cf4c78909",
    "cross_cats_sorted": [
      "math.AP",
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2017-07-10T13:06:45Z",
    "title_canon_sha256": "0258769cd1533ad0be14aca3628ee9d16a9ca5754bd313993960ee43df901a28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02832",
    "kind": "arxiv",
    "version": 2
  }
}