Pith Number

pith:7L6FWN4J

pith:2019:7L6FWN4JD66P3YHSNLGG27XK43

not attested not anchored not stored refs pending

A Note on Spectral Triples on the Quantum Disk

John Wilson Peoples, Matt McBride, Slawomir Klimek

arxiv:1904.00272 v2 · 2019-03-30 · 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{7L6FWN4JD66P3YHSNLGG27XK43}

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	2026-05-17T23:44:54.719759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fafc5b37891fbcfde0f26acc6d7eeae6e8330fb1c4e7b781769165aeb420e0f3

Aliases

arxiv: 1904.00272 · arxiv_version: 1904.00272v2 · doi: 10.48550/arxiv.1904.00272 · pith_short_12: 7L6FWN4JD66P · pith_short_16: 7L6FWN4JD66P3YHS · pith_short_8: 7L6FWN4J

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/7L6FWN4JD66P3YHSNLGG27XK43 \
  | 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: fafc5b37891fbcfde0f26acc6d7eeae6e8330fb1c4e7b781769165aeb420e0f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2425d43d0bec9939927d94decb676367d644dbc5ff03707f8347983a60f08e07",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2019-03-30T19:04:48Z",
    "title_canon_sha256": "42b31fdcfd2daa075fea2475ea3a6d22a2c9dd5f12ff7940fb59b93852721d23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00272",
    "kind": "arxiv",
    "version": 2
  }
}