Pith Number

pith:F337EKYQ

pith:2017:F337EKYQQ2M7X5W5NOAUH4NGF2

not attested not anchored not stored refs pending

On Banach-Mazur distance between planar convex bodies

Andriy Prymak, Nazarii Palko, Serhii Brodiuk

arxiv:1707.04830 v4 · 2017-07-16 · 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{F337EKYQQ2M7X5W5NOAUH4NGF2}

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	2026-05-18T00:05:09.560249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ef7f22b108699fbf6dd6b8143f1a62e985bd2d92be244e86ed90d5c6e68c4b1

Aliases

arxiv: 1707.04830 · arxiv_version: 1707.04830v4 · doi: 10.48550/arxiv.1707.04830 · pith_short_12: F337EKYQQ2M7 · pith_short_16: F337EKYQQ2M7X5W5 · pith_short_8: F337EKYQ

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/F337EKYQQ2M7X5W5NOAUH4NGF2 \
  | 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: 2ef7f22b108699fbf6dd6b8143f1a62e985bd2d92be244e86ed90d5c6e68c4b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0f09fb58c172064e486663c8b00ca902efe257caea9372743dae6d61a4d69d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2017-07-16T06:26:48Z",
    "title_canon_sha256": "895de2b0735fe2ae2081b6475c83f6d764df9a494dc2c8d2d9f9e35a46682b75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.04830",
    "kind": "arxiv",
    "version": 4
  }
}