pith. sign in
Pith Number

pith:XA7U7RZ3

pith:2016:XA7U7RZ34NXYVHYAT2DBS6I7L7
not attested not anchored not stored refs pending

Mapping curved spacetimes into Dirac spinors

Carlos Sab\'in

arxiv:1607.08732 v2 · 2016-07-29 · quant-ph · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XA7U7RZ34NXYVHYAT2DBS6I7L7}

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 2026-05-18T00:53:02.390934Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b83f4fc73be36f8a9f009e8619791f5fc961d9d61ddb2e2b3002c7f1f1d5d84b

Aliases

arxiv: 1607.08732 · arxiv_version: 1607.08732v2 · doi: 10.48550/arxiv.1607.08732 · pith_short_12: XA7U7RZ34NXY · pith_short_16: XA7U7RZ34NXYVHYA · pith_short_8: XA7U7RZ3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XA7U7RZ34NXYVHYAT2DBS6I7L7 \
  | 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: b83f4fc73be36f8a9f009e8619791f5fc961d9d61ddb2e2b3002c7f1f1d5d84b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "325af2ac7304f3464f2795723c97563fa8e551ecafdd9f3c0b5c2618027d3db5",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-07-29T09:08:56Z",
    "title_canon_sha256": "804b96935e23c1c7ec6c6a00a3f81f7b2476e68ae1e0e693145a43ab7db46e9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.08732",
    "kind": "arxiv",
    "version": 2
  }
}