Pith Number

pith:BDUIMN74

pith:2018:BDUIMN74ZI6H4EB7XMUZZDEWUS

not attested not anchored not stored refs pending

Dirac spinors and their application to Bianchi-I space-times in 5 dimensions

Luca Fabbri, Oscar Castillo-Felisola, Stefano Vignolo

arxiv:1808.08536 v3 · 2018-08-26 · gr-qc · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BDUIMN74ZI6H4EB7XMUZZDEWUS}

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	2026-05-17T23:57:21.412080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08e88637fcca3c7e103fbb299c8c96a49175eaca060a98dc0c64f6281948045e

Aliases

arxiv: 1808.08536 · arxiv_version: 1808.08536v3 · doi: 10.48550/arxiv.1808.08536 · pith_short_12: BDUIMN74ZI6H · pith_short_16: BDUIMN74ZI6H4EB7 · pith_short_8: BDUIMN74

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/BDUIMN74ZI6H4EB7XMUZZDEWUS \
  | 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: 08e88637fcca3c7e103fbb299c8c96a49175eaca060a98dc0c64f6281948045e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81f0a1be451251a76fc870b056e7b2819526098044b280d0b7ac8f7b09903f92",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-08-26T11:48:47Z",
    "title_canon_sha256": "7965da670eac8950731c5c5bad4e8556d40b81a648fa6050668ab08d8f97376e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08536",
    "kind": "arxiv",
    "version": 3
  }
}