Pith Number

pith:G4KMSDOZ

pith:2013:G4KMSDOZT3NAUT23JDIHWOJL4G

not attested not anchored not stored refs pending

Quantization of the inhomogeneous Bianchi I model: quasi-Heisenberg picture

S.L. Cherkas, V.L.Kalashnikov

arxiv:1302.2229 v2 · 2013-02-09 · gr-qc · hep-th · math-ph · math.MP · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G4KMSDOZT3NAUT23JDIHWOJL4G}

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	2026-05-18T02:18:13.813289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3714c90dd99eda0a4f5b48d07b392be1831c40744cfa2945cc77b755c533bcea

Aliases

arxiv: 1302.2229 · arxiv_version: 1302.2229v2 · doi: 10.48550/arxiv.1302.2229 · pith_short_12: G4KMSDOZT3NA · pith_short_16: G4KMSDOZT3NAUT23 · pith_short_8: G4KMSDOZ

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/G4KMSDOZT3NAUT23JDIHWOJL4G \
  | 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: 3714c90dd99eda0a4f5b48d07b392be1831c40744cfa2945cc77b755c533bcea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cb2d5c412695f6b3d5e2a0e93b3bb43b624c8ae0f7f465e2dbc65581039dcaa",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-02-09T12:35:44Z",
    "title_canon_sha256": "4af281fd598e33192e42c00ad474437ecb5eae925f456258d22cd0eae38e4da4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2229",
    "kind": "arxiv",
    "version": 2
  }
}