Pith Number

pith:I6LA5VFD

pith:2024:I6LA5VFDSPG3MKXU2EBV4KXSGW

not attested not anchored not stored refs pending

The compact operators on $c_0$ as a Calkin algebra

Daniele Puglisi, Pavlos Motakis

arxiv:2403.04137 v1 · 2024-03-07 · math.FA · 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{I6LA5VFDSPG3MKXU2EBV4KXSGW}

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	2026-07-05T07:53:19.094740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47960ed4a393cdb62af4d1035e2af235bfcc027eef442b1b10ae9fd410dee57d

Aliases

arxiv: 2403.04137 · arxiv_version: 2403.04137v1 · doi: 10.48550/arxiv.2403.04137 · pith_short_12: I6LA5VFDSPG3 · pith_short_16: I6LA5VFDSPG3MKXU · pith_short_8: I6LA5VFD

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/I6LA5VFDSPG3MKXU2EBV4KXSGW \
  | 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: 47960ed4a393cdb62af4d1035e2af235bfcc027eef442b1b10ae9fd410dee57d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "532ce26cad5699198aaf5cde9e0d72478422c937eaad2c25245af9cd5a8ee872",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2024-03-07T01:33:38Z",
    "title_canon_sha256": "d90d508f220c6ae481c885277735de1da1e250e720696a994d97de0e418aec4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.04137",
    "kind": "arxiv",
    "version": 1
  }
}