Pith Number

pith:NXOB2WEA

pith:2021:NXOB2WEAHHRM2R3HZ5F53VW5NH

not attested not anchored not stored refs pending

Barrow Entropy Corrections to Friedmann Equations

Ahmad Sheykhi

arxiv:2102.06550 v3 · 2021-02-11 · 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{NXOB2WEAHHRM2R3HZ5F53VW5NH}

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

2 papers in Pith

Hamilton-Jacobi Approach to Inflationary Scenarios through Extended Entropies: An Observational Perspective

Modified Entropy from Action Principle

Receipt and verification

First computed	2026-07-05T02:47:31.573347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ddc1d588039e2cd4767cf4bddd6dd69e9b92b75f1ddf55598304aa1b14dabe3

Aliases

arxiv: 2102.06550 · arxiv_version: 2102.06550v3 · doi: 10.48550/arxiv.2102.06550 · pith_short_12: NXOB2WEAHHRM · pith_short_16: NXOB2WEAHHRM2R3H · pith_short_8: NXOB2WEA

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/NXOB2WEAHHRM2R3HZ5F53VW5NH \
  | 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: 6ddc1d588039e2cd4767cf4bddd6dd69e9b92b75f1ddf55598304aa1b14dabe3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4de3cc15e35cdd78d9fd5320642d37402f29d66a784490d87d469c0e769f1cd8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-02-11T18:44:59Z",
    "title_canon_sha256": "fdbc5e02774516d6f1ec0c37a502c40790aa3af6a145c4a80dedebd7ccae79c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.06550",
    "kind": "arxiv",
    "version": 3
  }
}