Pith Number

pith:SP67BTIH

pith:2008:SP67BTIH67HJNF3AAXNOMOYZVX

not attested not anchored not stored refs pending

The role of Dirac equations in the classical mechanics of the relativistic top

Enrico Santamato

arxiv:0808.3237 v2 · 2008-08-24 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SP67BTIH67HJNF3AAXNOMOYZVX}

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	2026-05-18T04:18:13.371522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93fdf0cd07f7ce96976005dae63b19add899dd7e27aef23e2a4f41418c8b0f52

Aliases

arxiv: 0808.3237 · arxiv_version: 0808.3237v2 · doi: 10.48550/arxiv.0808.3237 · pith_short_12: SP67BTIH67HJ · pith_short_16: SP67BTIH67HJNF3A · pith_short_8: SP67BTIH

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/SP67BTIH67HJNF3AAXNOMOYZVX \
  | 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: 93fdf0cd07f7ce96976005dae63b19add899dd7e27aef23e2a4f41418c8b0f52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "862fc59d736055f7d5c1ba5ab22a39eacb852b0b6c64e18f0b7a4253bcde46b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-08-24T09:57:36Z",
    "title_canon_sha256": "65e2b7e44629d2ff3b2fc3b41b6c5223c2bbc5f0d84cfac393e8df9ffd7f7fef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.3237",
    "kind": "arxiv",
    "version": 2
  }
}