Pith Number

pith:V3E4Y23L

pith:2016:V3E4Y23LDZAWDYQ3X2SEQ2VFOX

not attested not anchored not stored refs pending

Representing convex geometries by almost-circles

G\'abor Cz\'edli, J\'anos Kincses

arxiv:1608.06550 v1 · 2016-08-23 · 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{V3E4Y23LDZAWDYQ3X2SEQ2VFOX}

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	2026-05-18T01:08:13.794391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aec9cc6b6b1e4161e21bbea4486aa575e2d9b59cbc7687a23a732233b97ce687

Aliases

arxiv: 1608.06550 · arxiv_version: 1608.06550v1 · doi: 10.48550/arxiv.1608.06550 · pith_short_12: V3E4Y23LDZAW · pith_short_16: V3E4Y23LDZAWDYQ3 · pith_short_8: V3E4Y23L

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/V3E4Y23LDZAWDYQ3X2SEQ2VFOX \
  | 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: aec9cc6b6b1e4161e21bbea4486aa575e2d9b59cbc7687a23a732233b97ce687

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "337491d3cfda9742272a661f6a34624ad3abc4d3633dff16de293e47b23eb9be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-08-23T15:41:47Z",
    "title_canon_sha256": "2e112610dfc396414b9689ba4fc7d2d8365650cf264cc7607c60443430ae6533"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06550",
    "kind": "arxiv",
    "version": 1
  }
}