Pith Number

pith:F7FJJZLA

pith:2008:F7FJJZLA7E6KMJVNLDBDI6FODN

not attested not anchored not stored refs pending

Klein-Gordon and Dirac gyroscopes

Emerson Sadurni

arxiv:0805.3127 v3 · 2008-05-20 · quant-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7FJJZLA7E6KMJVNLDBDI6FODN}

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	2026-05-18T02:35:22.396424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fca94e560f93ca626ad58c23478ae1b61cb4fd9b9bc21bf23c001b8e9a1ab04

Aliases

arxiv: 0805.3127 · arxiv_version: 0805.3127v3 · doi: 10.48550/arxiv.0805.3127 · pith_short_12: F7FJJZLA7E6K · pith_short_16: F7FJJZLA7E6KMJVN · pith_short_8: F7FJJZLA

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/F7FJJZLA7E6KMJVNLDBDI6FODN \
  | 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: 2fca94e560f93ca626ad58c23478ae1b61cb4fd9b9bc21bf23c001b8e9a1ab04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80870440cc6e37a72aa2132325189b41c577bc45a2cecd46474db515a9c66ee5",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-05-20T17:41:05Z",
    "title_canon_sha256": "dcf6a52d9d1469b5f5f7bb92c12ee0ff0951cdcb80ac6dfd0609b6ac3e4c967c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.3127",
    "kind": "arxiv",
    "version": 3
  }
}