Pith Number

pith:HHHBO4HZ

pith:2025:HHHBO4HZKBPL6OEVHW62DHKHNM

not attested not anchored not stored refs pending

Orbital angular momentum can take non-integer values in a closed universe

Daniel Burgarth, Paolo Facchi

arxiv:2506.03254 v1 · 2025-06-03 · quant-ph · gr-qc · math-ph · 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{HHHBO4HZKBPL6OEVHW62DHKHNM}

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	2026-07-05T11:15:23.587026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39ce1770f9505ebf38953dbda19d476b0d1a838c533702fee6bdf0d043698e14

Aliases

arxiv: 2506.03254 · arxiv_version: 2506.03254v1 · doi: 10.48550/arxiv.2506.03254 · pith_short_12: HHHBO4HZKBPL · pith_short_16: HHHBO4HZKBPL6OEV · pith_short_8: HHHBO4HZ

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/HHHBO4HZKBPL6OEVHW62DHKHNM \
  | 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: 39ce1770f9505ebf38953dbda19d476b0d1a838c533702fee6bdf0d043698e14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b1b41011fd041c91b0d65f4958495bbcd9e8f4be73dfaf4131ad44a5a9df589",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-06-03T18:00:04Z",
    "title_canon_sha256": "6354da14b16d5fe3a0d8c5ecb92891f925f5bf4140c2304e8efedfdd4f36e2e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.03254",
    "kind": "arxiv",
    "version": 1
  }
}