Pith Number

pith:CKBJ5TKV

pith:2014:CKBJ5TKVARUIDOVSDLOSCINXES

not attested not anchored not stored refs pending

Almost square Banach spaces

Johann Langemets, Trond A. Abrahamsen, Vegard Lima

arxiv:1402.0818 v2 · 2014-02-04 · 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{CKBJ5TKVARUIDOVSDLOSCINXES}

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	2026-05-18T01:34:55.634221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12829ecd55046881bab21add2121b724adefcf6500cac1f01430b23dcbc9f4f7

Aliases

arxiv: 1402.0818 · arxiv_version: 1402.0818v2 · doi: 10.48550/arxiv.1402.0818 · pith_short_12: CKBJ5TKVARUI · pith_short_16: CKBJ5TKVARUIDOVS · pith_short_8: CKBJ5TKV

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/CKBJ5TKVARUIDOVSDLOSCINXES \
  | 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: 12829ecd55046881bab21add2121b724adefcf6500cac1f01430b23dcbc9f4f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b1d8f770d2e9be5f525965489d7aef9028c272f7cc2a9177186e85324c7b4cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-02-04T18:22:38Z",
    "title_canon_sha256": "047e38c283c51f39bd02e58a596ebad66d3865f9332dbed7c745bf7f1afdcf63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0818",
    "kind": "arxiv",
    "version": 2
  }
}