Pith Number

pith:XNE2RAUE

pith:2018:XNE2RAUEP635IK45OKQXD5YUCH

not attested not anchored not stored refs pending

A note on topological dimension, Hausdorff measure, and rectifiability

Enrico Le Donne, Guy C. David

arxiv:1807.02664 v1 · 2018-07-07 · math.MG · 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{XNE2RAUEP635IK45OKQXD5YUCH}

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	2026-05-18T00:11:16.368775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb49a882847fb7d42b9d72a171f71411f816cfd5479ce5a4412e8b0bedab93c6

Aliases

arxiv: 1807.02664 · arxiv_version: 1807.02664v1 · doi: 10.48550/arxiv.1807.02664 · pith_short_12: XNE2RAUEP635 · pith_short_16: XNE2RAUEP635IK45 · pith_short_8: XNE2RAUE

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/XNE2RAUEP635IK45OKQXD5YUCH \
  | 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: bb49a882847fb7d42b9d72a171f71411f816cfd5479ce5a4412e8b0bedab93c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ef879aa3ea4a8e9a3faa72806ddbd1a31ac5b169ca9e388f062d6a9f1134b36",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2018-07-07T13:15:26Z",
    "title_canon_sha256": "0e5cb6c277a085e114ea39acf974872f20ee92a11c41e4fffefca85c6cb7a364"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02664",
    "kind": "arxiv",
    "version": 1
  }
}