Pith Number

pith:CB27BRDM

pith:2009:CB27BRDMHKZJREZ27GL4OL3DCU

not attested not anchored not stored refs pending

On the Developable Mannheim Offsets of Timelike Ruled Surfaces

H. H\"useyin U\u{g}urlu, Mehmet Onder

arxiv:0906.2077 v6 · 2009-06-11 · math.DG · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CB27BRDMHKZJREZ27GL4OL3DCU}

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	2026-05-18T03:24:52.857149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1075f0c46c3ab298933af997c72f63151f48d5c20543c737d85bd1c9319295e0

Aliases

arxiv: 0906.2077 · arxiv_version: 0906.2077v6 · doi: 10.48550/arxiv.0906.2077 · pith_short_12: CB27BRDMHKZJ · pith_short_16: CB27BRDMHKZJREZ2 · pith_short_8: CB27BRDM

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/CB27BRDMHKZJREZ27GL4OL3DCU \
  | 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: 1075f0c46c3ab298933af997c72f63151f48d5c20543c737d85bd1c9319295e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10c951648836d7c9ed1b19925a5fbfbfe1785fbf89d503240717aa42d4fa6844",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-06-11T10:26:27Z",
    "title_canon_sha256": "7fa6574ff05a1eac893b65a6d609632fca6f86e17b4901554cc284a930a97080"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2077",
    "kind": "arxiv",
    "version": 6
  }
}