Pith Number

pith:RDLIKCXE

pith:1992:RDLIKCXEB3UYF2QLFINJIKVGYC

not attested not anchored not stored refs pending

On $c_0$-saturated Banach spaces

Denny H. Leung

arxiv:math/9205205 v1 · 1992-05-07 · 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{RDLIKCXEB3UYF2QLFINJIKVGYC}

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	2026-05-18T01:05:52.783643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88d6850ae40ee982ea0b2a1a942aa6c080e9fc320ef1e66cf90b9bc9b2d9f7d4

Aliases

arxiv: math/9205205 · arxiv_version: math/9205205v1 · doi: 10.48550/arxiv.math/9205205 · pith_short_12: RDLIKCXEB3UY · pith_short_16: RDLIKCXEB3UYF2QL · pith_short_8: RDLIKCXE

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/RDLIKCXEB3UYF2QLFINJIKVGYC \
  | 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: 88d6850ae40ee982ea0b2a1a942aa6c080e9fc320ef1e66cf90b9bc9b2d9f7d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b3cce5a8efd8bd0cf1ac4b0dd4b42f908b072db18e8f9d7ecb713aec6973ba2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.FA",
    "submitted_at": "1992-05-07T15:38:00Z",
    "title_canon_sha256": "0c50426d68cdceba7c8feda9c7009bc85accab260accd0be5bc08e5f7a7d823c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9205205",
    "kind": "arxiv",
    "version": 1
  }
}