Pith Number

pith:JDS7CI6F

pith:2017:JDS7CI6FIZ66OIPSWTHAAWAINJ

not attested not anchored not stored refs pending

Poncar\'e half-space of a C*-algebra

Esteban Andruchow, Gustavo Corach, L\'azaro Recht

arxiv:1711.08802 v1 · 2017-11-23 · 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{JDS7CI6FIZ66OIPSWTHAAWAINJ}

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.

Cited by

1 paper in Pith

A non commutative K\"ahler structure on the Poincar\'e disk of a C*-algebra

Receipt and verification

First computed	2026-05-18T00:29:44.045566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48e5f123c5467de721f2b4ce0058086a7c54fc09b49154b781494a127b053f4c

Aliases

arxiv: 1711.08802 · arxiv_version: 1711.08802v1 · doi: 10.48550/arxiv.1711.08802 · pith_short_12: JDS7CI6FIZ66 · pith_short_16: JDS7CI6FIZ66OIPS · pith_short_8: JDS7CI6F

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/JDS7CI6FIZ66OIPSWTHAAWAINJ \
  | 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: 48e5f123c5467de721f2b4ce0058086a7c54fc09b49154b781494a127b053f4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72b3fdd70bc0a1db7826f176227e941946b59ab69a0c4f00ea87cafde58b59a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2017-11-23T18:56:30Z",
    "title_canon_sha256": "f0d65c481f469a10d6e77c5d55809b1eaa41e07a55c0277b67d3323f3fe3a440"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08802",
    "kind": "arxiv",
    "version": 1
  }
}