Pith Number

pith:XFSFPCDE

pith:2005:XFSFPCDEX3B5UC664MNNFUVNBE

not attested not anchored not stored refs pending

On approximation of homeomorphisms of a Cantor set

Konstantin Medynets

arxiv:math/0510032 v2 · 2005-10-03 · math.DS · math.GR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XFSFPCDEX3B5UC664MNNFUVNBE}

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	2026-05-18T04:08:53.754488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b964578864bec3da0bdee31ad2d2ad092a88b40cae71bd88601987a54020680e

Aliases

arxiv: math/0510032 · arxiv_version: math/0510032v2 · doi: 10.48550/arxiv.math/0510032 · pith_short_12: XFSFPCDEX3B5 · pith_short_16: XFSFPCDEX3B5UC66 · pith_short_8: XFSFPCDE

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/XFSFPCDEX3B5UC664MNNFUVNBE \
  | 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: b964578864bec3da0bdee31ad2d2ad092a88b40cae71bd88601987a54020680e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66b3103815b4a0022ea0e2a683013c928f82d8fea27b6eb2d56a9e2315d56c1e",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "",
    "primary_cat": "math.DS",
    "submitted_at": "2005-10-03T07:34:45Z",
    "title_canon_sha256": "09ac0aa96f01e9a96d2332164bf23f77c5ffbd5cfc5d9fc97630b12dc06f2d31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0510032",
    "kind": "arxiv",
    "version": 2
  }
}