Pith Number

pith:VF7HGE2Q

pith:2020:VF7HGE2QBYTRXQTRAHRMW3F4IR

not attested not anchored not stored refs pending

Characterizing envelopes of moving rotational cones and applications in CNC machining

Helmut Pottmann, Michael Barto\v{n}, Mikhail Skopenkov, Pengbo Bo

arxiv:2001.01444 v1 · 2020-01-06 · math.DG · math.AP

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VF7HGE2QBYTRXQTRAHRMW3F4IR}

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.

Cited by

1 paper in Pith

Near-real-time design of experiments for seismic monitoring of volcanoes

Receipt and verification

First computed	2026-07-05T06:50:08.696696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a97e7313500e271bc27101e2cb6cbc447729c0863eeff5597ad659477194f77a

Aliases

arxiv: 2001.01444 · arxiv_version: 2001.01444v1 · doi: 10.48550/arxiv.2001.01444 · pith_short_12: VF7HGE2QBYTR · pith_short_16: VF7HGE2QBYTRXQTR · pith_short_8: VF7HGE2Q

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/VF7HGE2QBYTRXQTRAHRMW3F4IR \
  | 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: a97e7313500e271bc27101e2cb6cbc447729c0863eeff5597ad659477194f77a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fda52154ffc086f86230a6c13d4370880ac43c679e59fc6c38b156dba63bcb3",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2020-01-06T09:13:13Z",
    "title_canon_sha256": "5de8c38d388ad74acb56b8f8d56a273f7e4f1e68524fb4f8b806166b5cec33c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.01444",
    "kind": "arxiv",
    "version": 1
  }
}