pith. sign in
Pith Number

pith:L2PTALNU

pith:1997:L2PTALNU4RYDTMA5ZDSE7CQXNE
not attested not anchored not stored refs pending

Supersymmetric quantum cosmology for Bianchi class A models

Alfredo Mac\'ias, Eckehard W. Mielke, Jos\'e Socorro

arxiv:gr-qc/9706080 v1 · 1997-06-26 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{L2PTALNU4RYDTMA5ZDSE7CQXNE}

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 2026-05-18T01:09:17.589127Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5e9f302db4e47039b01dc8e44f8a176928f3021c1a89ba8b54b6f33d7e2fa1d2

Aliases

arxiv: gr-qc/9706080 · arxiv_version: gr-qc/9706080v1 · doi: 10.48550/arxiv.gr-qc/9706080 · pith_short_12: L2PTALNU4RYD · pith_short_16: L2PTALNU4RYDTMA5 · pith_short_8: L2PTALNU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/L2PTALNU4RYDTMA5ZDSE7CQXNE \
  | 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: 5e9f302db4e47039b01dc8e44f8a176928f3021c1a89ba8b54b6f33d7e2fa1d2
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d4bd912984f8ac3347db86be7b611f07e2891c9d9377be53a95d8257f1d4e76c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1997-06-26T16:19:48Z",
    "title_canon_sha256": "cc0e3779cee0a7fc2c92e45ffaf18d44ba3388cefd9e1b27e3144f84ae3818cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9706080",
    "kind": "arxiv",
    "version": 1
  }
}