pith. sign in
Pith Number

pith:4IXTTYEN

pith:2014:4IXTTYEN5BBQZ6XZYDHX7JAL53
not attested not anchored not stored refs pending

Complex interpolation and twisted twisted Hilbert spaces

F\'elix Cabello S\'anchez, Jes\'us M. F. Castillo, Nigel J. Kalton

arxiv:1406.6723 v1 · 2014-06-25 · math.FA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4IXTTYEN5BBQZ6XZYDHX7JAL53}

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 2026-05-18T01:22:22.053358Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e22f39e08de8430cfaf9c0cf7fa40beed8cb66c4d0fe64e3befe994556d2d527

Aliases

arxiv: 1406.6723 · arxiv_version: 1406.6723v1 · doi: 10.48550/arxiv.1406.6723 · pith_short_12: 4IXTTYEN5BBQ · pith_short_16: 4IXTTYEN5BBQZ6XZ · pith_short_8: 4IXTTYEN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4IXTTYEN5BBQZ6XZYDHX7JAL53 \
  | 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: e22f39e08de8430cfaf9c0cf7fa40beed8cb66c4d0fe64e3befe994556d2d527
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ef3f8ebffff31e5d8485470b20c3e3048c4a124d2a8dce99810d31b3900ab654",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-06-25T22:12:26Z",
    "title_canon_sha256": "06d22c31655c8b1954d0d41cfe6b2e5da22f410c31adac5689e5d80ff582f4e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6723",
    "kind": "arxiv",
    "version": 1
  }
}