pith. sign in
Pith Number

pith:Y46X4OFO

pith:2018:Y46X4OFOOR5CTEW3IMHWERCFHS
not attested not anchored not stored refs pending

Doppler shift in semi-Riemannian signature and the non-uniqueness of the Krein space of spinors

Fabien Besnard, Nadir Bizi

arxiv:1806.11283 v1 · 2018-06-29 · math.DG · math-ph · math.MP · math.OA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{Y46X4OFOOR5CTEW3IMHWERCFHS}

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 2026-05-17T23:39:48.812693Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c73d7e38ae747a2992db430f6244453cba07a9d6111f354caa4326f1b6fa28d4

Aliases

arxiv: 1806.11283 · arxiv_version: 1806.11283v1 · doi: 10.48550/arxiv.1806.11283 · pith_short_12: Y46X4OFOOR5C · pith_short_16: Y46X4OFOOR5CTEW3 · pith_short_8: Y46X4OFO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/Y46X4OFOOR5CTEW3IMHWERCFHS \
  | 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: c73d7e38ae747a2992db430f6244453cba07a9d6111f354caa4326f1b6fa28d4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "feb6c4d51dd2bb3709e0f92c56cb580b6700c3cc13c6e93dd7c31e850e24219c",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-06-29T07:31:23Z",
    "title_canon_sha256": "b1d2c6ba65bb6b9dcd6980d008926a74f67ec5e3d422d849495df017eaeb5f31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.11283",
    "kind": "arxiv",
    "version": 1
  }
}