Pith Number

pith:UCHFESA5

pith:2015:UCHFESA5KMRCQFRZCMXE4P6QBQ

not attested not anchored not stored refs pending

Diffeomorphic Approximation of $W^{1,1}$ Planar Sobolev Homeomorphisms

Aldo Pratelli, Stanislav Hencl

arxiv:1502.07253 v1 · 2015-02-24 · math.CA · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UCHFESA5KMRCQFRZCMXE4P6QBQ}

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	2026-05-18T02:26:11.460952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a08e52481d5322281639132e4e3fd00c3f6caabdc56f9e583026d7cce2a33094

Aliases

arxiv: 1502.07253 · arxiv_version: 1502.07253v1 · doi: 10.48550/arxiv.1502.07253 · pith_short_12: UCHFESA5KMRC · pith_short_16: UCHFESA5KMRCQFRZ · pith_short_8: UCHFESA5

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/UCHFESA5KMRCQFRZCMXE4P6QBQ \
  | 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: a08e52481d5322281639132e4e3fd00c3f6caabdc56f9e583026d7cce2a33094

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39c92e27d035ec54b4999f50cf0849e1331567c359925c8c62bcf11d0b789677",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-02-24T14:12:24Z",
    "title_canon_sha256": "b85688782c384f49532336990aeaa4986f6bea3d75384caca493e2e88bc93c93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07253",
    "kind": "arxiv",
    "version": 1
  }
}