Pith Number

pith:Y3MSVSHK

pith:2008:Y3MSVSHKFJCBXSJLHDAHZ6MTZB

not attested not anchored not stored refs pending

On certain nonlinear elliptic PDE and quasiconfomal mapps between Euclidean surfaces

David Kalaj, Miodrag Mateljevic

arxiv:0804.2785 v2 · 2008-04-17 · math.CV · 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{Y3MSVSHKFJCBXSJLHDAHZ6MTZB}

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	2026-05-18T04:02:02.095709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6d92ac8ea2a441bc92b38c07cf993c86654466a43a2895cbf0cf4950c07591d

Aliases

arxiv: 0804.2785 · arxiv_version: 0804.2785v2 · doi: 10.48550/arxiv.0804.2785 · pith_short_12: Y3MSVSHKFJCB · pith_short_16: Y3MSVSHKFJCBXSJL · pith_short_8: Y3MSVSHK

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/Y3MSVSHKFJCBXSJLHDAHZ6MTZB \
  | 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: c6d92ac8ea2a441bc92b38c07cf993c86654466a43a2895cbf0cf4950c07591d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c0e41ed94803f164f1daecae539d80d6666cb32385f707ba431419323035795",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2008-04-17T12:36:39Z",
    "title_canon_sha256": "b154ab7f504ad2fd93bd4783b38d3a0a6c032abba9d8457325b28edcc5f96611"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.2785",
    "kind": "arxiv",
    "version": 2
  }
}