Pith Number

pith:VBNW4FCM

pith:2010:VBNW4FCMYY7DBJCCYF7RNEC7HY

not attested not anchored not stored refs pending

Noncommutative quantum mechanics -- a perspective on structure and spatial extent

C M Rohwer, F G Scholtz, K G Zloshchastiev, L Gouba

arxiv:1004.1984 v1 · 2010-04-12 · math-ph · hep-th · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VBNW4FCMYY7DBJCCYF7RNEC7HY}

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	2026-05-18T02:33:34.462953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a85b6e144cc63e30a442c17f16905f3e08493c5b4c15c3bc8b4f4e2c962d1ccc

Aliases

arxiv: 1004.1984 · arxiv_version: 1004.1984v1 · doi: 10.48550/arxiv.1004.1984 · pith_short_12: VBNW4FCMYY7D · pith_short_16: VBNW4FCMYY7DBJCC · pith_short_8: VBNW4FCM

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/VBNW4FCMYY7DBJCCYF7RNEC7HY \
  | 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: a85b6e144cc63e30a442c17f16905f3e08493c5b4c15c3bc8b4f4e2c962d1ccc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "531656e05c74dbaa47c2d6645f1aa43ef5c93697a45be4f674270b901a5dd38d",
    "cross_cats_sorted": [
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2010-04-12T15:04:50Z",
    "title_canon_sha256": "ca3f45e31fa319f6ef77bbf342fa507b51475d8f5c12a4cfaff60360efbf38de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1984",
    "kind": "arxiv",
    "version": 1
  }
}