Pith Number

pith:Q5X3OPZF

pith:2018:Q5X3OPZFJ5FZ5M36ZCWNRYOH3U

not attested not anchored not stored refs pending

Plasma Perturbations and Cosmic Microwave Background Anisotropy in the Linearly Expanding Milne-like Universe

S.L. Cherkas, V.L. Kalashnikov

arxiv:1803.09094 v2 · 2018-03-24 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q5X3OPZFJ5FZ5M36ZCWNRYOH3U}

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	2026-05-17T23:56:48.207470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

876fb73f254f4b9eb37ec8acd8e1c7dd3d584189f5c61c10d166a85ef2f2e83b

Aliases

arxiv: 1803.09094 · arxiv_version: 1803.09094v2 · doi: 10.48550/arxiv.1803.09094 · pith_short_12: Q5X3OPZFJ5FZ · pith_short_16: Q5X3OPZFJ5FZ5M36 · pith_short_8: Q5X3OPZF

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/Q5X3OPZFJ5FZ5M36ZCWNRYOH3U \
  | 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: 876fb73f254f4b9eb37ec8acd8e1c7dd3d584189f5c61c10d166a85ef2f2e83b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dd6926994cd312869ab11343a3c7ec8b6e1f7bf1311a18b8565c37aed3a10c4",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-03-24T11:22:25Z",
    "title_canon_sha256": "d1af36f34efa6ea3c5c2f33f356787d55d0b30299da84d96bd9cceb7c78de711"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09094",
    "kind": "arxiv",
    "version": 2
  }
}