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Pith Number

pith:PGTKJGDP

pith:2010:PGTKJGDPE7BUZLARXCTAPYHLNZ
not attested not anchored not stored refs pending

Non-uniqueness of the Dirac theory in a curved spacetime

Frank Reifler, Mayeul Arminjon

arxiv:1001.0460 v1 · 2010-01-04 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PGTKJGDPE7BUZLARXCTAPYHLNZ}

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 2026-05-18T02:33:50.353976Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

79a6a4986f27c34cac11b8a607e0eb6e6865d3e094fad53fc597dac74b322800

Aliases

arxiv: 1001.0460 · arxiv_version: 1001.0460v1 · doi: 10.48550/arxiv.1001.0460 · pith_short_12: PGTKJGDPE7BU · pith_short_16: PGTKJGDPE7BUZLAR · pith_short_8: PGTKJGDP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PGTKJGDPE7BUZLARXCTAPYHLNZ \
  | 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: 79a6a4986f27c34cac11b8a607e0eb6e6865d3e094fad53fc597dac74b322800
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "007afe3837ab824c60425f2aaf856c2035104d5faca182f68dcf35b77a2f2530",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-01-04T08:54:30Z",
    "title_canon_sha256": "b8ce098baec7a7dd83771c93c22bcb51dc9236ce1e963e66044f00914ab46b4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.0460",
    "kind": "arxiv",
    "version": 1
  }
}