Pith Number

pith:O3UW3I3V

pith:2015:O3UW3I3VY4Q3M2OJBG6WED6JGZ

not attested not anchored not stored refs pending

Existence and uniqueness of greedy bases in Banach spaces

Denka Kutzarova, F. Albiac, J. L. Ansorena, S. J. Dilworth

arxiv:1505.08119 v1 · 2015-05-29 · 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{O3UW3I3VY4Q3M2OJBG6WED6JGZ}

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	2026-05-18T01:59:59.632357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76e96da375c721b669c909bd620fc9364967796add86b6769074471dcd81748b

Aliases

arxiv: 1505.08119 · arxiv_version: 1505.08119v1 · doi: 10.48550/arxiv.1505.08119 · pith_short_12: O3UW3I3VY4Q3 · pith_short_16: O3UW3I3VY4Q3M2OJ · pith_short_8: O3UW3I3V

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/O3UW3I3VY4Q3M2OJBG6WED6JGZ \
  | 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: 76e96da375c721b669c909bd620fc9364967796add86b6769074471dcd81748b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8eb38baaaa052661ae38aba8b265a6658056083f7a9e0a0a6b0ef54b0fd22045",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2015-05-29T17:40:05Z",
    "title_canon_sha256": "7338f0816fd5807835af6414819ec7d3b733af04faad45f7c9cc4fe3f11792f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.08119",
    "kind": "arxiv",
    "version": 1
  }
}