Pith Number

pith:Y5P6XIWA

pith:2009:Y5P6XIWA5DGHZ7R3VUSXSEVOUC

not attested not anchored not stored refs pending

Detecting Hilbert manifolds among isometrically homogeneous metric spaces

Dusan Repovs, Taras Banakh

arxiv:0908.4205 v2 · 2009-08-28 · math.GT · 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{Y5P6XIWA5DGHZ7R3VUSXSEVOUC}

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	2026-05-18T04:15:04.798350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c75feba2c0e8cc7cfe3bad257912aea09d1b4d86490a13ffd446ef8de0c44c80

Aliases

arxiv: 0908.4205 · arxiv_version: 0908.4205v2 · doi: 10.48550/arxiv.0908.4205 · pith_short_12: Y5P6XIWA5DGH · pith_short_16: Y5P6XIWA5DGHZ7R3 · pith_short_8: Y5P6XIWA

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/Y5P6XIWA5DGHZ7R3VUSXSEVOUC \
  | 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: c75feba2c0e8cc7cfe3bad257912aea09d1b4d86490a13ffd446ef8de0c44c80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "358a227157e90e0ea2f601b5c8c16fe918c6a4d3233761ff2edb149d57a35d48",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2009-08-28T13:14:17Z",
    "title_canon_sha256": "bf0e280c27ec1743e62175cf3b9cae111c66fb3123d1c76452aabb93d96fddf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4205",
    "kind": "arxiv",
    "version": 2
  }
}