Pith Number

pith:AYCBNKXY

pith:1999:AYCBNKXYZCLUPWPFUTANOTZSSR

not attested not anchored not stored refs pending

(Non) singular Kantowski-Sachs Universe from quantum spherically reduced matter

K.E. Osetrin, O. Obregon, S.D. Odintsov, S. Nojiri

arxiv:hep-th/9902035 v2 · 1999-02-04 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AYCBNKXYZCLUPWPFUTANOTZSSR}

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	2026-07-04T15:49:59.939341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

060416aaf8c89747d9e5a4c0d74f329472ce0dd68f1e80528af82a7026216c47

Aliases

arxiv: hep-th/9902035 · arxiv_version: hep-th/9902035v2 · doi: 10.48550/arxiv.hep-th/9902035 · pith_short_12: AYCBNKXYZCLU · pith_short_16: AYCBNKXYZCLUPWPF · pith_short_8: AYCBNKXY

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/AYCBNKXYZCLUPWPFUTANOTZSSR \
  | 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: 060416aaf8c89747d9e5a4c0d74f329472ce0dd68f1e80528af82a7026216c47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c71ca5a7a7b544f9b3a2990b55389c34eb65fc40e8e28ad3ae89fd573219492",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-02-04T14:40:30Z",
    "title_canon_sha256": "34fe2cb924c7bef3215484077b386f7c9f4e17fb64c28e1d6b374732f154a4e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9902035",
    "kind": "arxiv",
    "version": 2
  }
}