Pith Number

pith:B7PHNF74

pith:2023:B7PHNF74FQKA6XSUXKHY4PMTHO

not attested not anchored not stored refs pending

Similarity of cosmological models and its application to the analysis of cosmological evolution

Yu.G. Ignat'ev

arxiv:2307.13761 v1 · 2023-07-25 · 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{B7PHNF74FQKA6XSUXKHY4PMTHO}

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

Cosmological dynamics based on Lovelock's gravity. Qualitative analysis

Receipt and verification

First computed	2026-07-05T08:21:40.118533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fde7697fc2c140f5e54ba8f8e3d933b9e61d8b6ec91ac3f66dbaf84ad18e08e

Aliases

arxiv: 2307.13761 · arxiv_version: 2307.13761v1 · doi: 10.48550/arxiv.2307.13761 · pith_short_12: B7PHNF74FQKA · pith_short_16: B7PHNF74FQKA6XSU · pith_short_8: B7PHNF74

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/B7PHNF74FQKA6XSUXKHY4PMTHO \
  | 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: 0fde7697fc2c140f5e54ba8f8e3d933b9e61d8b6ec91ac3f66dbaf84ad18e08e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a626f71c5ef0b5f281f4d305d10dc7ad5b3f6b3159dd0486ab85326ec37fa8a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-07-25T18:40:31Z",
    "title_canon_sha256": "c5b1e4067aeece2470cb7249b67abc2a09a5ad7a88ef8475d65e12826dadc9e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.13761",
    "kind": "arxiv",
    "version": 1
  }
}