Pith Number

pith:WGHHUCHG

pith:2009:WGHHUCHG56T5XJV7PEDCU3272U

not attested not anchored not stored refs pending

Scalar field in the Bianchi I: Non commutative classical and Quantum Cosmology

C. Ortiz, J. Socorro, Luis O. Pimentel, M. Aguero

arxiv:0910.2449 v1 · 2009-10-13 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WGHHUCHG56T5XJV7PEDCU3272U}

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	2026-05-18T02:11:24.044168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b18e7a08e6efa7dba6bf79062a6f5fd50c4d1fe7d4d55624e07af0125ff2bd05

Aliases

arxiv: 0910.2449 · arxiv_version: 0910.2449v1 · doi: 10.48550/arxiv.0910.2449 · pith_short_12: WGHHUCHG56T5 · pith_short_16: WGHHUCHG56T5XJV7 · pith_short_8: WGHHUCHG

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/WGHHUCHG56T5XJV7PEDCU3272U \
  | 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: b18e7a08e6efa7dba6bf79062a6f5fd50c4d1fe7d4d55624e07af0125ff2bd05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc38911f56405983485bb3c4263dd0d412094c62d8d7dc9d019e838f055fd8c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-10-13T18:32:19Z",
    "title_canon_sha256": "141c1b90cdaa7f2f863f4aba67eb9f9af9a1453a4e4e6692c855033f38d83d51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2449",
    "kind": "arxiv",
    "version": 1
  }
}