Pith Number

pith:NKNOY2QU

pith:2011:NKNOY2QUIVXC4ADUZJDDIIOO35

not attested not anchored not stored refs pending

On Local AH algebras

Huaxin Lin

arxiv:1104.0445 v5 · 2011-04-04 · 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{NKNOY2QUIVXC4ADUZJDDIIOO35}

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	2026-05-18T03:54:49.491236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a9aec6a14456e2e0074ca463421cedf4d834d78aed39cfddde061f35530017a

Aliases

arxiv: 1104.0445 · arxiv_version: 1104.0445v5 · doi: 10.48550/arxiv.1104.0445 · pith_short_12: NKNOY2QUIVXC · pith_short_16: NKNOY2QUIVXC4ADU · pith_short_8: NKNOY2QU

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/NKNOY2QUIVXC4ADUZJDDIIOO35 \
  | 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: 6a9aec6a14456e2e0074ca463421cedf4d834d78aed39cfddde061f35530017a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f5bc2353e338ef9142fb5812fc56fbce034e4fdb84ab9baa7664ac8082e548c",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2011-04-04T00:31:10Z",
    "title_canon_sha256": "3fab06a967c93edf01055da682bb9633d6185077ca413f3b2d217536c3fa1d22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0445",
    "kind": "arxiv",
    "version": 5
  }
}