Pith Number

pith:LZXVBC7U

pith:2017:LZXVBC7UVB2GFN7QO52TNW64PL

not attested not anchored not stored refs pending

An Optimal Algorithm for Computing the Spherical Depth of Points in the Plane

David Bremner, Rasoul Shahsavarifar

arxiv:1702.07399 v1 · 2017-02-23 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LZXVBC7UVB2GFN7QO52TNW64PL}

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	2026-05-18T00:50:03.497479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e6f508bf4a87462b7f0777536dbdc7af12ee8756ad2fdede1eb07fbcfbd1f80

Aliases

arxiv: 1702.07399 · arxiv_version: 1702.07399v1 · doi: 10.48550/arxiv.1702.07399 · pith_short_12: LZXVBC7UVB2G · pith_short_16: LZXVBC7UVB2GFN7Q · pith_short_8: LZXVBC7U

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/LZXVBC7UVB2GFN7QO52TNW64PL \
  | 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: 5e6f508bf4a87462b7f0777536dbdc7af12ee8756ad2fdede1eb07fbcfbd1f80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8814c64ea24f01213060ec71d3ab07d3fe7239279b3ee6e78e21bc4fe7666f2e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-02-23T21:32:10Z",
    "title_canon_sha256": "235b0c8c1cb896c6ac6cf983d426f3c78a42b3bd961e9e33d184bc6a108e7ae8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07399",
    "kind": "arxiv",
    "version": 1
  }
}