Pith Number

pith:YW2CCJHX

pith:2012:YW2CCJHXOBM6NPL7DIJAIFX2KQ

not attested not anchored not stored refs pending

A class of continua that are not attractors of any IFS

Magdalena Nowak, Marcin Kulczycki

arxiv:1203.0851 v1 · 2012-03-05 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YW2CCJHXOBM6NPL7DIJAIFX2KQ}

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	2026-05-18T04:00:50.370999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5b42124f77059e6bd7f1a120416fa542fad4cf0a4f1f8d6faef34f693e87595

Aliases

arxiv: 1203.0851 · arxiv_version: 1203.0851v1 · doi: 10.48550/arxiv.1203.0851 · pith_short_12: YW2CCJHXOBM6 · pith_short_16: YW2CCJHXOBM6NPL7 · pith_short_8: YW2CCJHX

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/YW2CCJHXOBM6NPL7DIJAIFX2KQ \
  | 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: c5b42124f77059e6bd7f1a120416fa542fad4cf0a4f1f8d6faef34f693e87595

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3252898e74a6ef72b046db8d75ac607755352410bd3cf1b27abe4ce578078c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-03-05T10:21:33Z",
    "title_canon_sha256": "2f828048caf44f8d64c21fa5fb5cdc9e94a2925e7cb85177c62eb02f98cf5082"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0851",
    "kind": "arxiv",
    "version": 1
  }
}