Pith Number

pith:KXYZJCVG

pith:2017:KXYZJCVGGNWOUGUOPA3HC7RYSU

not attested not anchored not stored refs pending

Building highly conditional quasi-greedy bases in classical Banach spaces

Fernando Albiac, Jos\'e L. Ansorena

arxiv:1712.04004 v1 · 2017-12-11 · 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{KXYZJCVGGNWOUGUOPA3HC7RYSU}

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	2026-05-18T00:28:09.667685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55f1948aa6336cea1a8e7836717e3895077f66639cacd7b6af154ed89c6f1f67

Aliases

arxiv: 1712.04004 · arxiv_version: 1712.04004v1 · doi: 10.48550/arxiv.1712.04004 · pith_short_12: KXYZJCVGGNWO · pith_short_16: KXYZJCVGGNWOUGUO · pith_short_8: KXYZJCVG

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/KXYZJCVGGNWOUGUOPA3HC7RYSU \
  | 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: 55f1948aa6336cea1a8e7836717e3895077f66639cacd7b6af154ed89c6f1f67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f7ab381f6f610bb369dc8fdd222ffef1f72e35fe4df6d739c48df100d89f12b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-12-11T20:20:43Z",
    "title_canon_sha256": "b1e5c643da298cfe967eed9037ccb11ced2ebd6a670b7c1aea556923dd1b5048"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04004",
    "kind": "arxiv",
    "version": 1
  }
}