Pith Number

pith:XMFQLU6I

pith:2006:XMFQLU6IPGUING6IZ6EZMANG5I

not attested not anchored not stored refs pending

World-making with extended gravity black holes for cosmic natural selection in the multiverse scenario

A. Barrau

arxiv:gr-qc/0612045 v2 · 2006-12-07 · gr-qc · astro-ph · hep-ph · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XMFQLU6IPGUING6IZ6EZMANG5I}

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	2026-05-17T23:58:00.110385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb0b05d3c879a8869bc8cf899601a6ea342d5073fac97f528498d52f17249a6b

Aliases

arxiv: gr-qc/0612045 · arxiv_version: gr-qc/0612045v2 · doi: 10.48550/arxiv.gr-qc/0612045 · pith_short_12: XMFQLU6IPGUI · pith_short_16: XMFQLU6IPGUING6I · pith_short_8: XMFQLU6I

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/XMFQLU6IPGUING6IZ6EZMANG5I \
  | 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: bb0b05d3c879a8869bc8cf899601a6ea342d5073fac97f528498d52f17249a6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dcea9a9a3c638693af3f43d8a063d2137f6b8565f68451a3edb71b50a09df21",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-ph",
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-12-07T14:53:08Z",
    "title_canon_sha256": "2b38bd7ee87f1e59d0a775db9358d9bf89137f36b5e0908eb4133ecbee9b5f02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0612045",
    "kind": "arxiv",
    "version": 2
  }
}