Pith Number

pith:CB6SIH3H

pith:2025:CB6SIH3H5LIQW4PMLOGKVZRB27

not attested not anchored not stored refs pending

Classical and quantum trace-free Einstein cosmology

Abdel P\'erez-Lorenzana, Diego Gonzalez, Jorge Meza, Merced Montesinos

arxiv:2506.04550 v1 · 2025-06-05 · gr-qc · hep-th · math-ph · math.MP · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CB6SIH3H5LIQW4PMLOGKVZRB27}

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	2026-07-05T11:16:16.492994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

107d241f67ead10b71ec5b8caae621d7f708877c0b457f7dfc8ebea819838966

Aliases

arxiv: 2506.04550 · arxiv_version: 2506.04550v1 · doi: 10.48550/arxiv.2506.04550 · pith_short_12: CB6SIH3H5LIQ · pith_short_16: CB6SIH3H5LIQW4PM · pith_short_8: CB6SIH3H

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/CB6SIH3H5LIQW4PMLOGKVZRB27 \
  | 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: 107d241f67ead10b71ec5b8caae621d7f708877c0b457f7dfc8ebea819838966

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14f476c3178771d023681195719c148843151390dd011d9ba834e8a0389c9aa6",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-06-05T01:54:50Z",
    "title_canon_sha256": "05c7b00d123cdf9709aedf27a3bb4c786dfa45c0fda834a4a553ca73bd081276"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.04550",
    "kind": "arxiv",
    "version": 1
  }
}