pith. sign in
Pith Number

pith:6QJOGUBZ

pith:2016:6QJOGUBZPUGC23XAG444MQYEAT
not attested not anchored not stored refs pending

A solution to Tingley's problem for isometries between the unit spheres of compact C$^*$-algebras and JB$^*$-triples

Antonio M. Peralta, Ryotaro Tanaka

arxiv:1608.06327 v2 · 2016-08-22 · 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{6QJOGUBZPUGC23XAG444MQYEAT}

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 2026-05-18T00:21:43.615166Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f412e350397d0c2d6ee03739c6430404fc901d6c72b6bde047ddcdaf28d15cc4

Aliases

arxiv: 1608.06327 · arxiv_version: 1608.06327v2 · doi: 10.48550/arxiv.1608.06327 · pith_short_12: 6QJOGUBZPUGC · pith_short_16: 6QJOGUBZPUGC23XA · pith_short_8: 6QJOGUBZ
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/6QJOGUBZPUGC23XAG444MQYEAT \
  | 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: f412e350397d0c2d6ee03739c6430404fc901d6c72b6bde047ddcdaf28d15cc4
Canonical record JSON 
{
  "metadata": {
    "abstract_canon_sha256": "653da39988b63ca372a07f5260d0fe08424d1f09fed5d59a12fe7bbe82c42859",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2016-08-22T21:58:06Z",
    "title_canon_sha256": "67e880ee334f56e65803c78a71c27b6b5eb1b33c41c4a26ae3a6c6cf8037043d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06327",
    "kind": "arxiv",
    "version": 2
  }
}