Pith Number

pith:UNC554HR

pith:2006:UNC554HR4RDHG7BBO6CQXACFUY

not attested not anchored not stored refs pending

Can inhomogeneties accelerate the cosmic volume expansion?

Chul-Moon Yoo, Hiroshi Kozaki, Ken-ichi Nakao, Tomohiro Kai, Yasusada Nambu

arxiv:gr-qc/0605120 v2 · 2006-05-22 · 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{UNC554HR4RDHG7BBO6CQXACFUY}

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	2026-07-04T15:19:19.873850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a345def0f1e446737c2177850b8045a6126d9220bbd37c7fd36259f647feb955

Aliases

arxiv: gr-qc/0605120 · arxiv_version: gr-qc/0605120v2 · doi: 10.48550/arxiv.gr-qc/0605120 · pith_short_12: UNC554HR4RDH · pith_short_16: UNC554HR4RDHG7BB · pith_short_8: UNC554HR

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/UNC554HR4RDHG7BBO6CQXACFUY \
  | 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: a345def0f1e446737c2177850b8045a6126d9220bbd37c7fd36259f647feb955

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cecae37eabb1934af32bb834cb7ede027ad097dcbf400adac6106c8c95585db",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-05-22T09:08:00Z",
    "title_canon_sha256": "47d712e76ee24c8401f9b29bbc56693a173a31bc906ff020a379798ba250f68f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0605120",
    "kind": "arxiv",
    "version": 2
  }
}