pith. sign in
Pith Number

pith:N3LMJE7I

pith:2012:N3LMJE7IV4FWB6ZCHMGDIQZF4U
not attested not anchored not stored refs pending

On a purely geometric approach to the Dirac matter field and its quantum properties

Luca Fabbri

arxiv:1210.1146 v3 · 2012-10-03 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{N3LMJE7IV4FWB6ZCHMGDIQZF4U}

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 2026-05-18T02:52:12.874568Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6ed6c493e8af0b60fb223b0c344325e5051e0707095002701e86fd3b0285ed93

Aliases

arxiv: 1210.1146 · arxiv_version: 1210.1146v3 · doi: 10.48550/arxiv.1210.1146 · pith_short_12: N3LMJE7IV4FW · pith_short_16: N3LMJE7IV4FWB6ZC · pith_short_8: N3LMJE7I
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/N3LMJE7IV4FWB6ZCHMGDIQZF4U \
  | 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: 6ed6c493e8af0b60fb223b0c344325e5051e0707095002701e86fd3b0285ed93
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9e6f455bec1c1182afed530f681d6a2e6d78f36206ee7e1c5d55961d0316283b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-10-03T15:28:13Z",
    "title_canon_sha256": "ff47940b1b579372de6d49df44ae27f546b99c9080d6f884219ffc439ff1cccb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1146",
    "kind": "arxiv",
    "version": 3
  }
}