Pith Number

pith:AIY2OPRR

pith:2018:AIY2OPRRFELWMOWDHBZ66PWLFO

not attested not anchored not stored refs pending

From a Kac algebra subfactor to Drinfeld double

Sandipan De

arxiv:1812.05071 v2 · 2018-12-12 · 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{AIY2OPRRFELWMOWDHBZ66PWLFO}

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	2026-05-17T23:39:57.646164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0231a73e312917663ac33873ef3ecb2b82dedce9699bd9b5ee81fba7dd61bfc3

Aliases

arxiv: 1812.05071 · arxiv_version: 1812.05071v2 · doi: 10.48550/arxiv.1812.05071 · pith_short_12: AIY2OPRRFELW · pith_short_16: AIY2OPRRFELWMOWD · pith_short_8: AIY2OPRR

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/AIY2OPRRFELWMOWDHBZ66PWLFO \
  | 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: 0231a73e312917663ac33873ef3ecb2b82dedce9699bd9b5ee81fba7dd61bfc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae2521e69afb1a1efc9f5cdec9e5fb174350eb663a6295d4964a44e3414a9000",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2018-12-12T18:17:50Z",
    "title_canon_sha256": "442b2a5d452271e4b2044f23a2a10ec67892b5538e6048f73f00d926b918d985"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05071",
    "kind": "arxiv",
    "version": 2
  }
}