pith. sign in
Pith Number

pith:Q4CQN55L

pith:2016:Q4CQN55LWMJZBBG2XJ4RZ6B7GU
not attested not anchored not stored refs pending

Linear maps between C*-algebras that are *-homomorphisms at a fixed point

Antonio M. Peralta, J. Cabello-S\'anchez, Mar\'ia J. Burgos

arxiv:1609.07776 v1 · 2016-09-25 · math.OA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?
Add to your LaTeX paper 
\usepackage{pith}
\pithnumber{Q4CQN55LWMJZBBG2XJ4RZ6B7GU}

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 2026-05-18T01:03:55.478856Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

870506f7abb3139084daba791cf83f352d208287e0ec1c8638d5c972a1cd01e0

Aliases

arxiv: 1609.07776 · arxiv_version: 1609.07776v1 · doi: 10.48550/arxiv.1609.07776 · pith_short_12: Q4CQN55LWMJZ · pith_short_16: Q4CQN55LWMJZBBG2 · pith_short_8: Q4CQN55L
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/Q4CQN55LWMJZBBG2XJ4RZ6B7GU \
  | 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: 870506f7abb3139084daba791cf83f352d208287e0ec1c8638d5c972a1cd01e0
Canonical record JSON 
{
  "metadata": {
    "abstract_canon_sha256": "653a82717c478da98374f9c538da1882095822220abdd95a9f4d897731f3f797",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2016-09-25T17:40:31Z",
    "title_canon_sha256": "75f3898092ca1cb59c769dfaf5508ad1a25a252fd49fba0228aecfda30b832f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07776",
    "kind": "arxiv",
    "version": 1
  }
}