Pith Number

pith:QKQKAPHJ

pith:2009:QKQKAPHJXUIE3IJIIS23AN6LPS

not attested not anchored not stored refs pending

Dimension properties of the boundaries of exponential basins

Anna Zdunik, Bogus{\l}awa Karpi\'nska, Krzysztof Bara\'nski

arxiv:0902.1065 v1 · 2009-02-06 · 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{QKQKAPHJXUIE3IJIIS23AN6LPS}

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	2026-05-18T04:21:21.592383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82a0a03ce9bd104da12844b5b037cb7c971ad819bf9a6ac14e8ef3d513420bed

Aliases

arxiv: 0902.1065 · arxiv_version: 0902.1065v1 · doi: 10.48550/arxiv.0902.1065 · pith_short_12: QKQKAPHJXUIE · pith_short_16: QKQKAPHJXUIE3IJI · pith_short_8: QKQKAPHJ

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/QKQKAPHJXUIE3IJIIS23AN6LPS \
  | 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: 82a0a03ce9bd104da12844b5b037cb7c971ad819bf9a6ac14e8ef3d513420bed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf43169e1c9a3dad041da85a4a55d7fa48806aa9f4045e17d83c68c893e46a8f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2009-02-06T11:18:15Z",
    "title_canon_sha256": "42f7524b92609fe41195f95e4102d156727a3163909bb26a6e64cad6c58545af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1065",
    "kind": "arxiv",
    "version": 1
  }
}