Pith Number

pith:33OG2XGH

pith:2021:33OG2XGH4JUUXODYFQGX2ZQHTP

not attested not anchored not stored refs pending

Special cosmological models derived from the semiclassical Einstein equation on flat FLRW space-times

Daniel Siemssen, Hanno Gottschalk, Nicolai Rothe

arxiv:2112.15050 v2 · 2021-12-30 · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{33OG2XGH4JUUXODYFQGX2ZQHTP}

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

Recent developments in semiclassical gravity

Receipt and verification

First computed	2026-07-05T04:32:13.957605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dedc6d5cc7e2694bb8782c0d7d66079bc09cff09c89987a990baa485d522f62a

Aliases

arxiv: 2112.15050 · arxiv_version: 2112.15050v2 · doi: 10.48550/arxiv.2112.15050 · pith_short_12: 33OG2XGH4JUU · pith_short_16: 33OG2XGH4JUUXODY · pith_short_8: 33OG2XGH

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/33OG2XGH4JUUXODYFQGX2ZQHTP \
  | 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: dedc6d5cc7e2694bb8782c0d7d66079bc09cff09c89987a990baa485d522f62a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9737697e35d64f95782e02b5cb0e2571bd99bea42c9d3192ec87342b5f93e391",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-12-30T13:22:09Z",
    "title_canon_sha256": "58216dd2ce0335d376153da7b4cd1015d1bf1a4f7db8d5cccff00e89eb8ad102"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.15050",
    "kind": "arxiv",
    "version": 2
  }
}