Pith Number

pith:SFNRMA3D

pith:2000:SFNRMA3DVU5DQD2I47FM573LLU

not attested not anchored not stored refs pending

Bianchi I Quantum cosmology in the Bergmann-Wagoner theory

Luis O. Pimentel

arxiv:gr-qc/0009046 v1 · 2000-09-13 · 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{SFNRMA3DVU5DQD2I47FM573LLU}

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	2026-05-18T01:39:24.650224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

915b160363ad3a380f48e7caceff6b5d07e71e0f5d16a159b6144c572e396df4

Aliases

arxiv: gr-qc/0009046 · arxiv_version: gr-qc/0009046v1 · doi: 10.48550/arxiv.gr-qc/0009046 · pith_short_12: SFNRMA3DVU5D · pith_short_16: SFNRMA3DVU5DQD2I · pith_short_8: SFNRMA3D

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/SFNRMA3DVU5DQD2I47FM573LLU \
  | 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: 915b160363ad3a380f48e7caceff6b5d07e71e0f5d16a159b6144c572e396df4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d92861df864db5786d4694be05ffdc9875f5eba9b25ecde018bf5eb1612a94f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2000-09-13T18:25:37Z",
    "title_canon_sha256": "98ee6868ee09cb9be83113945c376f87844f0b6b9e9e43be20a72f0c64747e0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0009046",
    "kind": "arxiv",
    "version": 1
  }
}