Pith Number

pith:IHRHUZTS

pith:2018:IHRHUZTS4PQCHPJ4AGSN7T6WNN

not attested not anchored not stored refs pending

On the extension of isometries between the unit spheres of a JBW$^*$-triple and a Banach space

Antonio M. Peralta, Francisco J. Fern\'andez-Polo, Julio Becerra-Guerrero, Mar\'ia Cueto-Avellaneda

arxiv:1808.01460 v2 · 2018-08-04 · math.OA · 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{IHRHUZTS4PQCHPJ4AGSN7T6WNN}

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	2026-05-17T23:46:32.028679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41e27a6672e3e023bd3c01a4dfcfd66b781e5401e47f44c94ef1038046c1e030

Aliases

arxiv: 1808.01460 · arxiv_version: 1808.01460v2 · doi: 10.48550/arxiv.1808.01460 · pith_short_12: IHRHUZTS4PQC · pith_short_16: IHRHUZTS4PQCHPJ4 · pith_short_8: IHRHUZTS

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/IHRHUZTS4PQCHPJ4AGSN7T6WNN \
  | 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: 41e27a6672e3e023bd3c01a4dfcfd66b781e5401e47f44c94ef1038046c1e030

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf276a8794b4cd06846c641039ec3414195a329a3c67fbe976412e022f795501",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2018-08-04T09:41:01Z",
    "title_canon_sha256": "05186adb37801a06a1a325d54a327341d79bb455b5ebee3cb52eb2347425a700"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01460",
    "kind": "arxiv",
    "version": 2
  }
}