Pith Number

pith:T64EM7A7

pith:2025:T64EM7A7HO7TLUBAT2JS6V3VXM

not attested not anchored not stored refs pending

An in-depth study of ball-bodies

Dan I. Florentin, Shiri Artstein-Avidan

arxiv:2505.09200 v3 · 2025-05-14 · 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{T64EM7A7HO7TLUBAT2JS6V3VXM}

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

Illumination Bodies in Projective Geometries

Receipt and verification

First computed	2026-07-05T11:04:51.512416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fb8467c1f3bbf35d0209e932f5775bb1377685176911fffa63bb1788bfbefac

Aliases

arxiv: 2505.09200 · arxiv_version: 2505.09200v3 · doi: 10.48550/arxiv.2505.09200 · pith_short_12: T64EM7A7HO7T · pith_short_16: T64EM7A7HO7TLUBA · pith_short_8: T64EM7A7

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/T64EM7A7HO7TLUBAT2JS6V3VXM \
  | 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: 9fb8467c1f3bbf35d0209e932f5775bb1377685176911fffa63bb1788bfbefac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a36bde93dd8e59ae9a726c35d1612fe5da035d8af32c7fe7b67b979098134f55",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2025-05-14T07:24:42Z",
    "title_canon_sha256": "0754dc418fde207c94113fce4c309a1e8b05e7129efcf912b087b7f838a5788a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.09200",
    "kind": "arxiv",
    "version": 3
  }
}