Pith Number

pith:XOR7VC7U

pith:2013:XOR7VC7UND54UU2JDL7UVCF4YV

not attested not anchored not stored refs pending

The Mazurkiewicz distance and sets that are finitely connected at the boundary

Anders Bj\"orn, Jana Bj\"orn, Nageswari Shanmugalingam

arxiv:1311.5122 v1 · 2013-11-20 · math.MG · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XOR7VC7UND54UU2JDL7UVCF4YV}

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	2026-05-18T01:17:38.056831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bba3fa8bf468fbca53491aff4a88bcc564f8d536eda4a70936b8fc1db58a6ee4

Aliases

arxiv: 1311.5122 · arxiv_version: 1311.5122v1 · doi: 10.48550/arxiv.1311.5122 · pith_short_12: XOR7VC7UND54 · pith_short_16: XOR7VC7UND54UU2J · pith_short_8: XOR7VC7U

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/XOR7VC7UND54UU2JDL7UVCF4YV \
  | 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: bba3fa8bf468fbca53491aff4a88bcc564f8d536eda4a70936b8fc1db58a6ee4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63656812ea350b8bef50bb0ffa1daca00f76564aca59b5f7b63c19fcec9b63ed",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2013-11-20T16:25:25Z",
    "title_canon_sha256": "e96153be17b7e286e7b7ca756186aa0fe2573c0eb28e258c2bb7d9ba0266a4fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5122",
    "kind": "arxiv",
    "version": 1
  }
}