Pith Number

pith:3WZ2FMZN

pith:2025:3WZ2FMZNQAOBBMA3BVL7RIKWJX

not attested not anchored not stored refs pending

On the intersection of Cantor set with the unit circle and some sequences

Derong Kong, Kan Jiang, Wenxia Li, Zhiqiang Wang

arxiv:2507.16510 v1 · 2025-07-22 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3WZ2FMZNQAOBBMA3BVL7RIKWJX}

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	2026-07-05T11:41:11.253368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddb3a2b32d801c10b01b0d57f8a1564dcc3d6aca40fbe3d34c7dff6712f3bc8b

Aliases

arxiv: 2507.16510 · arxiv_version: 2507.16510v1 · doi: 10.48550/arxiv.2507.16510 · pith_short_12: 3WZ2FMZNQAOB · pith_short_16: 3WZ2FMZNQAOBBMA3 · pith_short_8: 3WZ2FMZN

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/3WZ2FMZNQAOBBMA3BVL7RIKWJX \
  | 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: ddb3a2b32d801c10b01b0d57f8a1564dcc3d6aca40fbe3d34c7dff6712f3bc8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4011a8c577e8bfc29c48e22f1869c6afaaee963a34c1261c0bfa4c2f0b28163d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2025-07-22T12:16:02Z",
    "title_canon_sha256": "9bb2c460b1c0883593948d8038e070d46a9350c04bc36f077cc971be0e17d227"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.16510",
    "kind": "arxiv",
    "version": 1
  }
}