Pith Number

pith:ROIMXEGT

pith:2012:ROIMXEGTWD5WE3OHRGPBKPVUPA

not attested not anchored not stored refs pending

Normal Limits of Nilpotents in C*-Algebras

Paul Skoufranis

arxiv:1205.3537 v3 · 2012-05-16 · math.OA · math.FA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ROIMXEGTWD5WE3OHRGPBKPVUPA}

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	2026-05-18T02:45:14.842822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b90cb90d3b0fb626dc7899e153eb4782cd2d86d292d547b0abbd0e805697e84

Aliases

arxiv: 1205.3537 · arxiv_version: 1205.3537v3 · doi: 10.48550/arxiv.1205.3537 · pith_short_12: ROIMXEGTWD5W · pith_short_16: ROIMXEGTWD5WE3OH · pith_short_8: ROIMXEGT

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/ROIMXEGTWD5WE3OHRGPBKPVUPA \
  | 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: 8b90cb90d3b0fb626dc7899e153eb4782cd2d86d292d547b0abbd0e805697e84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dcfc400473ff7ad93603f93bad2b2cc77d4278b679f593aac9b93b86d8a0ae2",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2012-05-16T01:26:50Z",
    "title_canon_sha256": "5ec588e3b334e97d0f5a02b50068fda7c1559f3d98555dc7af53425602eefd38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3537",
    "kind": "arxiv",
    "version": 3
  }
}