Pith Number

pith:H7XVKSP4

pith:2018:H7XVKSP4VXMEMLFHLVIPHEU47F

not attested not anchored not stored refs pending

Banach spaces where convex combinations of relatively weakly open subsets of the unit ball are relatively weakly open

Julio Becerra Guerrero, M\"art P\~oldvere, Rainis Haller, Trond Arnold Abrahamsen, Vegard Lima

arxiv:1806.10693 v1 · 2018-06-27 · 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{H7XVKSP4VXMEMLFHLVIPHEU47F}

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	2026-05-18T00:12:08.249009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fef5549fcadd8462ca75d50f3929cf97b3c848a8842eadec2dfea269bb53c35

Aliases

arxiv: 1806.10693 · arxiv_version: 1806.10693v1 · doi: 10.48550/arxiv.1806.10693 · pith_short_12: H7XVKSP4VXME · pith_short_16: H7XVKSP4VXMEMLFH · pith_short_8: H7XVKSP4

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/H7XVKSP4VXMEMLFHLVIPHEU47F \
  | 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: 3fef5549fcadd8462ca75d50f3929cf97b3c848a8842eadec2dfea269bb53c35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ac649e8fb8b32af939bef68ae797c23c95ff3c19911e4ab5124fd38aa29310f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-06-27T20:45:02Z",
    "title_canon_sha256": "7dddc7ade56949db203aa625a2880b0cb1e6ef7cbffcd6cad1069ed9dc30ffa5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.10693",
    "kind": "arxiv",
    "version": 1
  }
}