Pith Number

pith:QHGVYKBD

pith:2017:QHGVYKBDBINFEKIG3LIDN2MNEN

not attested not anchored not stored refs pending

Example of a group whose quantum isometry group does not depend on the generating set

Arnab Mandal

arxiv:1706.02177 v2 · 2017-06-06 · 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{QHGVYKBDBINFEKIG3LIDN2MNEN}

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	2026-05-18T00:42:38.625266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81cd5c28230a1a522906dad036e98d236fe7f1809dd12c2696bb05213cb8f4f2

Aliases

arxiv: 1706.02177 · arxiv_version: 1706.02177v2 · doi: 10.48550/arxiv.1706.02177 · pith_short_12: QHGVYKBDBINF · pith_short_16: QHGVYKBDBINFEKIG · pith_short_8: QHGVYKBD

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/QHGVYKBDBINFEKIG3LIDN2MNEN \
  | 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: 81cd5c28230a1a522906dad036e98d236fe7f1809dd12c2696bb05213cb8f4f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36a79707524400aeb3fb2122c2fc1a7266f57cfb0effb6d6c564d2825bd4fa73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2017-06-06T11:11:15Z",
    "title_canon_sha256": "ced2af89b3a932d73bfc5ac9a3f13d7946b8350a7949c70d3329735764a7c572"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.02177",
    "kind": "arxiv",
    "version": 2
  }
}