Pith Number

pith:NLMKLPEZ

pith:2012:NLMKLPEZHATBLC4DYRWY2DBA32

not attested not anchored not stored refs pending

CP-H-Extendable Maps between Hilbert modules and CPH-Semigroups

K. Sumesh, Michael Skeide

arxiv:1210.7491 v2 · 2012-10-28 · 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{NLMKLPEZHATBLC4DYRWY2DBA32}

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	2026-05-18T01:10:20.600960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ad8a5bc993826158b83c46d8d0c20de8b69b6b451e4126a65813c878524c5c6

Aliases

arxiv: 1210.7491 · arxiv_version: 1210.7491v2 · doi: 10.48550/arxiv.1210.7491 · pith_short_12: NLMKLPEZHATB · pith_short_16: NLMKLPEZHATBLC4D · pith_short_8: NLMKLPEZ

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/NLMKLPEZHATBLC4DYRWY2DBA32 \
  | 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: 6ad8a5bc993826158b83c46d8d0c20de8b69b6b451e4126a65813c878524c5c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "117a4710614df912aa1388431def62f8adc815d6bce9e27570b09a6ed8de2e8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2012-10-28T19:08:50Z",
    "title_canon_sha256": "4a01f3c7633e3dacbdf7e8dd0fdfc8edf4f50734122b4e3043dfad37bc74b3f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.7491",
    "kind": "arxiv",
    "version": 2
  }
}