Pith Number

pith:7JZ66FNV

pith:2012:7JZ66FNVFEMTA73BWWAZS4GD65

not attested not anchored not stored refs pending

The little desert? Some subfactors with index in the interval (5,3+\sqrt{5})

Emily Peters, Scott Morrison

arxiv:1205.2742 v1 · 2012-05-12 · math.OA · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7JZ66FNVFEMTA73BWWAZS4GD65}

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	2026-05-18T01:34:13.844821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa73ef15b52919307f61b5819970c3f74afc3f9469889ce78d5f8a0601b01aa6

Aliases

arxiv: 1205.2742 · arxiv_version: 1205.2742v1 · doi: 10.48550/arxiv.1205.2742 · pith_short_12: 7JZ66FNVFEMT · pith_short_16: 7JZ66FNVFEMTA73B · pith_short_8: 7JZ66FNV

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/7JZ66FNVFEMTA73BWWAZS4GD65 \
  | 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: fa73ef15b52919307f61b5819970c3f74afc3f9469889ce78d5f8a0601b01aa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61859edc2efe846d9582e9f61395cd13c6192be00e073ccdd77057447bbe8c15",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2012-05-12T02:30:46Z",
    "title_canon_sha256": "594a6b7e81b79440d4ab721a28069489311172feb400c7cb8262aebdf2fa7601"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2742",
    "kind": "arxiv",
    "version": 1
  }
}