Pith Number

pith:XKUWB7NS

pith:2017:XKUWB7NSNCJ7BLJESQRLB5HYTX

not attested not anchored not stored refs pending

The $\epsilon$-entropy of some infinite dimensional compact ellipsoids and fractal dimension of attractors

Alain Haraux (LJLL), Mar\'ia Anguiano

arxiv:1704.02891 v1 · 2017-04-10 · math.AP · math.DS · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XKUWB7NSNCJ7BLJESQRLB5HYTX}

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	2026-05-18T00:46:43.760894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

baa960fdb26893f0ad249422b0f4f89dfef1f9588c55b8d7d082983d20eee404

Aliases

arxiv: 1704.02891 · arxiv_version: 1704.02891v1 · doi: 10.48550/arxiv.1704.02891 · pith_short_12: XKUWB7NSNCJ7 · pith_short_16: XKUWB7NSNCJ7BLJE · pith_short_8: XKUWB7NS

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/XKUWB7NSNCJ7BLJESQRLB5HYTX \
  | 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: baa960fdb26893f0ad249422b0f4f89dfef1f9588c55b8d7d082983d20eee404

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f37ec8cc6c9b2bd5a4c46f02e36237430b12019717e6832d68c30b499b59653b",
    "cross_cats_sorted": [
      "math.DS",
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-04-10T14:50:50Z",
    "title_canon_sha256": "91af857c34cf239ae001b7c18dd86843afb470eaa56d3ad32d5d44d5194ab43f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02891",
    "kind": "arxiv",
    "version": 1
  }
}