Pith Number

pith:2OY33AGL

pith:2013:2OY33AGLTJPYGNT3THPV6LUTMM

not attested not anchored not stored refs pending

Finite Ball Intersection Property of the Urysohn Universal Space

Asuman Guven Aksoy, Zair Ibragimov

arxiv:1309.7381 v3 · 2013-09-27 · 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{2OY33AGLTJPYGNT3THPV6LUTMM}

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	2026-05-18T02:58:45.614929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3b1bd80cb9a5f83367b99df5f2e93633fd39eb6744759a6106e25ea96cc3967

Aliases

arxiv: 1309.7381 · arxiv_version: 1309.7381v3 · doi: 10.48550/arxiv.1309.7381 · pith_short_12: 2OY33AGLTJPY · pith_short_16: 2OY33AGLTJPYGNT3 · pith_short_8: 2OY33AGL

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/2OY33AGLTJPYGNT3THPV6LUTMM \
  | 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: d3b1bd80cb9a5f83367b99df5f2e93633fd39eb6744759a6106e25ea96cc3967

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b617a44e334441ec79ae68f56cc55752be46e4f1f043a13261ab701e4be80a68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2013-09-27T22:33:42Z",
    "title_canon_sha256": "b253621eae753eb7ee91e0d88d18e6abe27805e411b35fc86b2ffc9e5ef6606f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7381",
    "kind": "arxiv",
    "version": 3
  }
}