Pith Number

pith:B23PLMIV

pith:2016:B23PLMIVPPYJI5EGX4JZAGMIA3

not attested not anchored not stored refs pending

Products of two Cantor sets

Yuki Takahashi

arxiv:1601.01370 v2 · 2016-01-07 · 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{B23PLMIVPPYJI5EGX4JZAGMIA3}

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	2026-05-18T00:45:50.179002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0eb6f5b1157bf0947486bf1390198806ffc18708826e53b54f8592f7676e0b0a

Aliases

arxiv: 1601.01370 · arxiv_version: 1601.01370v2 · doi: 10.48550/arxiv.1601.01370 · pith_short_12: B23PLMIVPPYJ · pith_short_16: B23PLMIVPPYJI5EG · pith_short_8: B23PLMIV

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/B23PLMIVPPYJI5EGX4JZAGMIA3 \
  | 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: 0eb6f5b1157bf0947486bf1390198806ffc18708826e53b54f8592f7676e0b0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa02f95fababbda5eb254ee0671c179b3f04afbea153e50f4aaa370469f5d710",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-01-07T02:07:33Z",
    "title_canon_sha256": "1326d0a10aa0379ba38f7acf94830c130f1c58d43c11768949ebab1d4d77c7da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01370",
    "kind": "arxiv",
    "version": 2
  }
}