Pith Number

pith:3LJM4NMC

pith:2017:3LJM4NMCWPFOOQWFUNRR52HFYC

not attested not anchored not stored refs pending

Proximal Planar Cech Nerves. An Approach to Approximating the Shapes of Irregular, Finite, Bounded Planar Regions

J.F. Peters

arxiv:1704.05727 v4 · 2017-04-19 · math.GN

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T00:35:41.470828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dad2ce3582b3cae742c5a3631ee8e5c08e933a059db1a2571ba2f2990f54c866

Aliases

arxiv: 1704.05727 · arxiv_version: 1704.05727v4 · doi: 10.48550/arxiv.1704.05727

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/3LJM4NMCWPFOOQWFUNRR52HFYC \
  | 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: dad2ce3582b3cae742c5a3631ee8e5c08e933a059db1a2571ba2f2990f54c866

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e27b9d5807e437f89667198eeb8080b54db7d57f32bd584a6b86cc5281756305",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2017-04-19T13:35:30Z",
    "title_canon_sha256": "a7a3b5ea350c0a0ecd047bb48c971089b07326150d398b0cb7ca64c6e1e90f82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05727",
    "kind": "arxiv",
    "version": 4
  }
}