Pith Number

pith:BQIQHN62

pith:2013:BQIQHN62ZPGLDZCBSCEJII56YO

not attested not anchored not stored refs pending

On totally disconnected generalised Sierpinski carpets

Bertran Steinsky, Ligia L. Cristea

arxiv:1303.4883 v1 · 2013-03-20 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BQIQHN62ZPGLDZCBSCEJII56YO}

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	2026-05-18T03:30:15.839637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c1103b7dacbccb1e44190889423bec3985adfed1d176f1a1b2580935271e78c

Aliases

arxiv: 1303.4883 · arxiv_version: 1303.4883v1 · doi: 10.48550/arxiv.1303.4883 · pith_short_12: BQIQHN62ZPGL · pith_short_16: BQIQHN62ZPGLDZCB · pith_short_8: BQIQHN62

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/BQIQHN62ZPGLDZCBSCEJII56YO \
  | 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: 0c1103b7dacbccb1e44190889423bec3985adfed1d176f1a1b2580935271e78c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd27a50f7cfc017076cd5b51d91e0ae6a0d8c1ddec1ff00397e153f3d40634fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2013-03-20T09:37:48Z",
    "title_canon_sha256": "c9b5b19dd64e3fb0c1b148a6c3aaffefbcef1401c5665f7f4e9570d53bd5ca60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4883",
    "kind": "arxiv",
    "version": 1
  }
}