Pith Number

pith:MM7EIQAH

pith:2015:MM7EIQAHOCLK6XHETMVG7H44KJ

not attested not anchored not stored refs pending

Systematic error due to isotropic inhomogeneities

Chul-Moon Yoo, Hiroyuki Negishi, Ken-ichi Nakao, Ryusuke Nishikawa

arxiv:1505.02472 v1 · 2015-05-11 · astro-ph.CO · 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{MM7EIQAHOCLK6XHETMVG7H44KJ}

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	2026-05-18T01:25:31.680618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

633e4440077096af5ce49b2a6f9f9c52498bb34bb12361198f8d623b567c14e4

Aliases

arxiv: 1505.02472 · arxiv_version: 1505.02472v1 · doi: 10.48550/arxiv.1505.02472 · pith_short_12: MM7EIQAHOCLK · pith_short_16: MM7EIQAHOCLK6XHE · pith_short_8: MM7EIQAH

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/MM7EIQAHOCLK6XHETMVG7H44KJ \
  | 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: 633e4440077096af5ce49b2a6f9f9c52498bb34bb12361198f8d623b567c14e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "630de136f6e227db99756da4200eb55495ca27dfa6d84bd7d2a1d6126325a9e0",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-05-11T02:32:55Z",
    "title_canon_sha256": "1f9a4a29272e9793ace42f875d1a55d3cf0068368aaa758a17d52ded794a9cd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02472",
    "kind": "arxiv",
    "version": 1
  }
}