Pith Number

pith:6M35P74T

pith:2017:6M35P74TMQNLGWGUXRHYUUO7ND

not attested not anchored not stored refs pending

Classification of LRS Bianchi type I Spacetimes via Conformal Ricci Collineations

Fawad Khan, Sumaira Saleem Akhtar, Tahir Hussain

arxiv:1701.06900 v1 · 2017-01-19 · 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{6M35P74TMQNLGWGUXRHYUUO7ND}

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	2026-05-18T00:26:30.470206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f337d7ff93641ab358d4bc4f8a51df68f4562aa716a65043862ef2112aea0b3a

Aliases

arxiv: 1701.06900 · arxiv_version: 1701.06900v1 · doi: 10.48550/arxiv.1701.06900 · pith_short_12: 6M35P74TMQNL · pith_short_16: 6M35P74TMQNLGWGU · pith_short_8: 6M35P74T

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/6M35P74TMQNLGWGUXRHYUUO7ND \
  | 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: f337d7ff93641ab358d4bc4f8a51df68f4562aa716a65043862ef2112aea0b3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd6b901a666eb773a64a9f75ec02c83ddba1f65295f57e255efbd7615df07129",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-01-19T11:58:08Z",
    "title_canon_sha256": "094ab4cbffa1cad5eaee4b8e7ab430d9d52ba76c49d6d15047db58ee3957c0c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06900",
    "kind": "arxiv",
    "version": 1
  }
}