Pith Number

pith:NZJPEUKO

pith:2021:NZJPEUKO75XWGDK7NTEFPFUUTZ

not attested not anchored not stored refs pending

Simplicity, bounded normal generation, and automatic continuity of groups of unitaries

Abhinav Chand, Leonel Robert

arxiv:2108.09796 v1 · 2021-08-22 · 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{NZJPEUKO75XWGDK7NTEFPFUUTZ}

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	2026-07-05T03:07:58.706241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e52f2514eff6f630d5f6cc85796949e75cf52e671d7f007f693f94e36c3e577

Aliases

arxiv: 2108.09796 · arxiv_version: 2108.09796v1 · doi: 10.48550/arxiv.2108.09796 · pith_short_12: NZJPEUKO75XW · pith_short_16: NZJPEUKO75XWGDK7 · pith_short_8: NZJPEUKO

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/NZJPEUKO75XWGDK7NTEFPFUUTZ \
  | 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: 6e52f2514eff6f630d5f6cc85796949e75cf52e671d7f007f693f94e36c3e577

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "429d6095ef2fb45725f72ab78727a5a0d2f3b234a06d3aa27169e5cf9b0edfbd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2021-08-22T17:42:55Z",
    "title_canon_sha256": "5b11e74a2bd06eca7270be935d6213e2424dd3ab4d1658249d1fc56f7b08b00e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.09796",
    "kind": "arxiv",
    "version": 1
  }
}