Pith Number

pith:7JLQOWLE

pith:2018:7JLQOWLE2WJF7C6YYRRMOP67BT

not attested not anchored not stored refs pending

Sums of two self-similar Cantor sets

Yuki Takahashi

arxiv:1808.05758 v1 · 2018-08-16 · 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{7JLQOWLE2WJF7C6YYRRMOP67BT}

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	2026-05-18T00:07:52.232761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa57075964d5925f8bd8c462c73fdf0cc00ba18b1f6e041399d65373ea6f0cb8

Aliases

arxiv: 1808.05758 · arxiv_version: 1808.05758v1 · doi: 10.48550/arxiv.1808.05758 · pith_short_12: 7JLQOWLE2WJF · pith_short_16: 7JLQOWLE2WJF7C6Y · pith_short_8: 7JLQOWLE

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/7JLQOWLE2WJF7C6YYRRMOP67BT \
  | 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: fa57075964d5925f8bd8c462c73fdf0cc00ba18b1f6e041399d65373ea6f0cb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86ddc79277fd56dd896c4fbb7d3711e42c167d9457597734ee82cccdb99fdd91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-08-16T13:13:11Z",
    "title_canon_sha256": "ccd111ee632e2393a88d14757bb68d12132fdf993c4cda8a2b59add11e6629a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05758",
    "kind": "arxiv",
    "version": 1
  }
}