Pith Number

pith:7TI2BIZC

pith:2006:7TI2BIZC5MBSR7PNG5USVC6INY

not attested not anchored not stored refs pending

Black Holes in Brans-Dicke Theory with a Cosmological Constant

C.J.Gao, S.N.Zhang

arxiv:gr-qc/0604083 v1 · 2006-04-20 · 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{7TI2BIZC5MBSR7PNG5USVC6INY}

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	2026-07-04T14:54:29.019375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcd1a0a322eb0328fded37692a8bc86e3607f4955a26166a876350c6db1f553f

Aliases

arxiv: gr-qc/0604083 · arxiv_version: gr-qc/0604083v1 · doi: 10.48550/arxiv.gr-qc/0604083 · pith_short_12: 7TI2BIZC5MBS · pith_short_16: 7TI2BIZC5MBSR7PN · pith_short_8: 7TI2BIZC

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/7TI2BIZC5MBSR7PNG5USVC6INY \
  | 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: fcd1a0a322eb0328fded37692a8bc86e3607f4955a26166a876350c6db1f553f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "174f422309925cf83957fbfa4e541d191322322d2e39101c67767172e59a7b3c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-04-20T01:36:36Z",
    "title_canon_sha256": "002990670379f30341d92e8dc81c1e994156f3c43cd387a2e72289f072269a12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0604083",
    "kind": "arxiv",
    "version": 1
  }
}