Pith Number

pith:U27GVZJL

pith:2010:U27GVZJLBMIGU5VLVBA7FDNIJC

not attested not anchored not stored refs pending

Entropic Corrections to Friedmann Equations

Ahmad Sheykhi

arxiv:1004.0627 v4 · 2010-03-30 · 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{U27GVZJLBMIGU5VLVBA7FDNIJC}

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

Constraints on R\'{e}nyi Entropy through Primordial Big-Bang Nucleosynthesis and Baryogenesis

Receipt and verification

First computed	2026-07-04T17:28:52.856763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6be6ae52b0b106a76aba841f28da848af51b5aa039141e05f600d1de48a570e

Aliases

arxiv: 1004.0627 · arxiv_version: 1004.0627v4 · doi: 10.48550/arxiv.1004.0627 · pith_short_12: U27GVZJLBMIG · pith_short_16: U27GVZJLBMIGU5VL · pith_short_8: U27GVZJL

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/U27GVZJLBMIGU5VLVBA7FDNIJC \
  | 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: a6be6ae52b0b106a76aba841f28da848af51b5aa039141e05f600d1de48a570e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f229bd5704f221b8abf0efba76c91bd51f588fc7f7e8008534d64f84ee98cd08",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-03-30T08:33:38Z",
    "title_canon_sha256": "dbc12f2717dcc5b9473319bb9917c2bbd0aafc374a7c29aa4aff2fd2d95bb598"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0627",
    "kind": "arxiv",
    "version": 4
  }
}