Pith Number

pith:GFF6DOKV

pith:2014:GFF6DOKVJNWYCNL6SML7XSJVC3

not attested not anchored not stored refs pending

Typical curvature behaviour of bodies of constant width

Imre Barany, Rolf Schneider

arxiv:1404.7019 v1 · 2014-04-28 · 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{GFF6DOKVJNWYCNL6SML7XSJVC3}

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	2026-05-18T02:53:05.323289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

314be1b9554b6d81357e9317fbc93516c312f0228b8c7f49ede06108210a560f

Aliases

arxiv: 1404.7019 · arxiv_version: 1404.7019v1 · doi: 10.48550/arxiv.1404.7019 · pith_short_12: GFF6DOKVJNWY · pith_short_16: GFF6DOKVJNWYCNL6 · pith_short_8: GFF6DOKV

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/GFF6DOKVJNWYCNL6SML7XSJVC3 \
  | 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: 314be1b9554b6d81357e9317fbc93516c312f0228b8c7f49ede06108210a560f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82e8f32a052aa1afe601ae997351a92dbd9822b646a1c7ff84eabf1deb94d89c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2014-04-28T15:24:02Z",
    "title_canon_sha256": "a64c2e8d8e48f95744ca9c429d87b5699f32508b582aae2f0c4e4216e97e385b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7019",
    "kind": "arxiv",
    "version": 1
  }
}