Pith Number

pith:4ZUIEOFU

pith:2020:4ZUIEOFU7O66E7AG5CZWODJN3H

not attested not anchored not stored refs pending

Unavoidable shear from quantum fluctuations in contracting cosmologies

Julien Grain, Vincent Vennin

arxiv:2005.04222 v2 · 2020-05-10 · astro-ph.CO · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ZUIEOFU7O66E7AG5CZWODJN3H}

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.

Cited by

1 paper in Pith

Exact path integrals on half-line in quantum cosmology with a fluid clock and aspects of operator ordering ambiguity

Receipt and verification

First computed	2026-07-05T02:25:19.116019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6688238b4fbbde27c06e8b3670d2dd9f23f5688b0b7f0cd5b78c1723ea212bf

Aliases

arxiv: 2005.04222 · arxiv_version: 2005.04222v2 · doi: 10.48550/arxiv.2005.04222 · pith_short_12: 4ZUIEOFU7O66 · pith_short_16: 4ZUIEOFU7O66E7AG · pith_short_8: 4ZUIEOFU

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/4ZUIEOFU7O66E7AG5CZWODJN3H \
  | 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: e6688238b4fbbde27c06e8b3670d2dd9f23f5688b0b7f0cd5b78c1723ea212bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78db5d947dde35a45e55116567bf6fe4c2b004123cd0e4eb82d2b62a43fe9ca2",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-05-10T05:18:24Z",
    "title_canon_sha256": "57bcd304a41a20bb81f5e31acc9e7202489f9a26f1fdf184904be97ab8d255fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.04222",
    "kind": "arxiv",
    "version": 2
  }
}