Pith Number

pith:HP6PQRD7

pith:2024:HP6PQRD7QHTJ3NGA4R27KGYXOD

not attested not anchored not stored refs pending

Backreaction in Numerical Relativity: Averaging on Newtonian gauge-like hypersurfaces in Einstein Toolkit cosmological simulations

Alexander Oestreicher, Sofie Marie Koksbang

arxiv:2408.03049 v1 · 2024-08-06 · 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{HP6PQRD7QHTJ3NGA4R27KGYXOD}

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	2026-07-05T09:20:01.692296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bfcf8447f81e69db4c0e475f51b1770e26a4f95146d180e25140af9bfa316ec

Aliases

arxiv: 2408.03049 · arxiv_version: 2408.03049v1 · doi: 10.48550/arxiv.2408.03049 · pith_short_12: HP6PQRD7QHTJ · pith_short_16: HP6PQRD7QHTJ3NGA · pith_short_8: HP6PQRD7

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/HP6PQRD7QHTJ3NGA4R27KGYXOD \
  | 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: 3bfcf8447f81e69db4c0e475f51b1770e26a4f95146d180e25140af9bfa316ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45178aa8001869b7ec02f62c89349a6744411e0a22e0599c589f6b0eb58f5b1d",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2024-08-06T09:07:57Z",
    "title_canon_sha256": "519eb94ff10a1be733b6e8b582adeb1178445167c6174c7f970396875cc91fd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.03049",
    "kind": "arxiv",
    "version": 1
  }
}