Pith Number

pith:SARGYFAZ

pith:2012:SARGYFAZKI2ZTAAKCWY2D2J2MM

not attested not anchored not stored refs pending

Relativistic spin operator and Lorentz transformation of spin state of a massive Dirac particle

Taeseung Choi

arxiv:1209.4440 v3 · 2012-09-20 · 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{SARGYFAZKI2ZTAAKCWY2D2J2MM}

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	2026-05-18T01:54:20.771086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90226c1419523599800a15b1a1e93a631525e860281e924c912b1c2234c3ada0

Aliases

arxiv: 1209.4440 · arxiv_version: 1209.4440v3 · doi: 10.48550/arxiv.1209.4440 · pith_short_12: SARGYFAZKI2Z · pith_short_16: SARGYFAZKI2ZTAAK · pith_short_8: SARGYFAZ

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/SARGYFAZKI2ZTAAKCWY2D2J2MM \
  | 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: 90226c1419523599800a15b1a1e93a631525e860281e924c912b1c2234c3ada0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "207758918942fbdc169a34da9914b5c67220e7a9664ef8da24b41c7fbb254c36",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-09-20T07:19:51Z",
    "title_canon_sha256": "cad0df16991d333e25053f47730832a3db43346b3d4026f4cc40e888da49c9ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4440",
    "kind": "arxiv",
    "version": 3
  }
}