Pith Number

pith:DYB7HZQB

pith:2009:DYB7HZQBJM6LFLBFGJOBER3276

not attested not anchored not stored refs pending

Geometry of quasi-circular domains and applications to tetrablock

Lukasz Kosinski

arxiv:0908.3249 v2 · 2009-08-22 · 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{DYB7HZQBJM6LFLBFGJOBER3276}

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	2026-05-18T03:54:15.444493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e03f3e6014b3cb2ac25325c12477aff981d1668e497c7ee32715c17a26cf2a5

Aliases

arxiv: 0908.3249 · arxiv_version: 0908.3249v2 · doi: 10.48550/arxiv.0908.3249 · pith_short_12: DYB7HZQBJM6L · pith_short_16: DYB7HZQBJM6LFLBF · pith_short_8: DYB7HZQB

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/DYB7HZQBJM6LFLBFGJOBER3276 \
  | 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: 1e03f3e6014b3cb2ac25325c12477aff981d1668e497c7ee32715c17a26cf2a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9d3f5536bf6c97d96230f986169c3460d736407c821edd88149e61f9dd0297d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2009-08-22T13:37:39Z",
    "title_canon_sha256": "1b4b5b25fadac2a047e872f1f349d444e1d32d012c3ff9d21f3784bf30baeb8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3249",
    "kind": "arxiv",
    "version": 2
  }
}