Pith Number

pith:UQRA2DSG

pith:2018:UQRA2DSGSCDSW67ZKIRKJ4B3OL

not attested not anchored not stored refs pending

Bisections of centrally symmetric planar convex bodies minimizing the maximum relative diameter

Antonio Ca\~nete, Salvador Segura Gomis

arxiv:1803.00321 v1 · 2018-03-01 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UQRA2DSGSCDSW67ZKIRKJ4B3OL}

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	2026-05-18T00:22:12.610183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4220d0e4690872b7bf95222a4f03b72e2b3102ded3b026546de8c4669a542cf

Aliases

arxiv: 1803.00321 · arxiv_version: 1803.00321v1 · doi: 10.48550/arxiv.1803.00321 · pith_short_12: UQRA2DSGSCDS · pith_short_16: UQRA2DSGSCDSW67Z · pith_short_8: UQRA2DSG

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/UQRA2DSGSCDSW67ZKIRKJ4B3OL \
  | 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: a4220d0e4690872b7bf95222a4f03b72e2b3102ded3b026546de8c4669a542cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c898fe31d4b27ccabd723fcd40330bd023651783ff448d70e6d35308ed6e2f3b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2018-03-01T11:53:42Z",
    "title_canon_sha256": "383fa1ade2f020a9d12ae21146fb5a006df5b21a4fb2e6b52fc884da1475b27e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00321",
    "kind": "arxiv",
    "version": 1
  }
}