Pith Number

pith:L2Z2LUW7

pith:2011:L2Z2LUW76HIDEV42XHCUNYKF4L

not attested not anchored not stored refs pending

Filters in C*-Algebras

Tristan Bice

arxiv:1109.6077 v1 · 2011-09-28 · 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{L2Z2LUW76HIDEV42XHCUNYKF4L}

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	2026-05-18T00:51:03.657433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5eb3a5d2dff1d032579ab9c546e145e2ddc040dcbc2ebfac33955f561e226147

Aliases

arxiv: 1109.6077 · arxiv_version: 1109.6077v1 · doi: 10.48550/arxiv.1109.6077 · pith_short_12: L2Z2LUW76HID · pith_short_16: L2Z2LUW76HIDEV42 · pith_short_8: L2Z2LUW7

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/L2Z2LUW76HIDEV42XHCUNYKF4L \
  | 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: 5eb3a5d2dff1d032579ab9c546e145e2ddc040dcbc2ebfac33955f561e226147

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f9c639c96db992b64c4fc68e2767c3685603591dd59f9469ef52f0c11a3d37c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2011-09-28T02:13:39Z",
    "title_canon_sha256": "91d276f2eeea870ff9e6a5c658be101cb3fa3f7f36d489a5495cf536b504fef6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6077",
    "kind": "arxiv",
    "version": 1
  }
}