Pith Number

pith:QCTWTLB7

pith:2023:QCTWTLB752F6JB3J6BWAZSYHNV

not attested not anchored not stored refs pending

Convex bodies of constant width with exponential illumination number

Andrii Arman, Andriy Bondarenko, Andriy Prymak

arxiv:2304.10418 v3 · 2023-04-20 · math.MG · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QCTWTLB752F6JB3J6BWAZSYHNV}

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	2026-07-05T08:37:03.652103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80a769ac3fee8be48769f06c0ccb076d4e2e18bbc8cfe48f906a3b0b66f84f4a

Aliases

arxiv: 2304.10418 · arxiv_version: 2304.10418v3 · doi: 10.48550/arxiv.2304.10418 · pith_short_12: QCTWTLB752F6 · pith_short_16: QCTWTLB752F6JB3J · pith_short_8: QCTWTLB7

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/QCTWTLB752F6JB3J6BWAZSYHNV \
  | 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: 80a769ac3fee8be48769f06c0ccb076d4e2e18bbc8cfe48f906a3b0b66f84f4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "744ebb94d71ddea427487367c05664f4523edaa799799ee761cd0ab0e9123e8f",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2023-04-20T16:08:27Z",
    "title_canon_sha256": "e6ea9923264992d9f6c524b520d21f212671a72143c35dad2b281cf228f9ba16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.10418",
    "kind": "arxiv",
    "version": 3
  }
}