Pith Number

pith:BSM7NOOZ

pith:2010:BSM7NOOZX6V6W4FSMIR7LTBLUA

not attested not anchored not stored refs pending

Inverses, Powers and Cartesian products of topologically deterministic maps

Artur Siemaszko, Michael Hochman

arxiv:1010.2220 v1 · 2010-10-11 · 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{BSM7NOOZX6V6W4FSMIR7LTBLUA}

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	2026-05-18T02:42:15.468546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c99f6b9d9bfabeb70b26223f5cc2ba006175e3e8106c25c72f605f7f4329044

Aliases

arxiv: 1010.2220 · arxiv_version: 1010.2220v1 · doi: 10.48550/arxiv.1010.2220 · pith_short_12: BSM7NOOZX6V6 · pith_short_16: BSM7NOOZX6V6W4FS · pith_short_8: BSM7NOOZ

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/BSM7NOOZX6V6W4FSMIR7LTBLUA \
  | 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: 0c99f6b9d9bfabeb70b26223f5cc2ba006175e3e8106c25c72f605f7f4329044

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65083c4a7656d20a06fe0260901c39c92d05a0f1acddb9a889df7105ce9e00dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2010-10-11T20:13:41Z",
    "title_canon_sha256": "3cdac1791ed7f23cb5f752b04bba5b59db5563b999ddacb70616a29227cf1bf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.2220",
    "kind": "arxiv",
    "version": 1
  }
}