Pith Number

pith:KDW6PHS3

pith:2021:KDW6PHS3IGV2X77LARXXCJCCL3

not attested not anchored not stored refs pending

Lyapunov exponent ISCO and Kolmogorov Senai entropy for Kerr Kiselev black hole

Farook Rahaman, Ksh. Newton Singh, Monimala Mondal

arxiv:2102.02667 v1 · 2021-02-03 · 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{KDW6PHS3IGV2X77LARXXCJCCL3}

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	2026-07-05T02:12:50.606569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50ede79e5b41ababffeb046f7124425efdc009f20fed4e7b752bd7dc96c25346

Aliases

arxiv: 2102.02667 · arxiv_version: 2102.02667v1 · doi: 10.48550/arxiv.2102.02667 · pith_short_12: KDW6PHS3IGV2 · pith_short_16: KDW6PHS3IGV2X77L · pith_short_8: KDW6PHS3

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/KDW6PHS3IGV2X77LARXXCJCCL3 \
  | 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: 50ede79e5b41ababffeb046f7124425efdc009f20fed4e7b752bd7dc96c25346

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "739710dd8c07749f23137ae5d05c9df48e8b3d2e9d51bd44b05ce78759e5a5f1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-02-03T07:51:38Z",
    "title_canon_sha256": "5368ee4d129f7e7c3f61e6b5e71d3d83d8ccddc41a605dccd7429a53a3f23c4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.02667",
    "kind": "arxiv",
    "version": 1
  }
}