Pith Number

pith:FRR2UO44

pith:2017:FRR2UO44VMDMI2T6IHY4LQVSMZ

not attested not anchored not stored refs pending

Nonlinear anisotropy growth in Bianchi-I spacetime in metric $f(R)$ cosmology

Kaushik Bhattacharya, Saikat Chakraborty

arxiv:1710.07906 v4 · 2017-10-22 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FRR2UO44VMDMI2T6IHY4LQVSMZ}

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	2026-05-17T23:55:44.483226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c63aa3b9cab06c46a7e41f1c5c2b266743ee13d2642d86a5985027073f30798

Aliases

arxiv: 1710.07906 · arxiv_version: 1710.07906v4 · doi: 10.48550/arxiv.1710.07906 · pith_short_12: FRR2UO44VMDM · pith_short_16: FRR2UO44VMDMI2T6 · pith_short_8: FRR2UO44

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/FRR2UO44VMDMI2T6IHY4LQVSMZ \
  | 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: 2c63aa3b9cab06c46a7e41f1c5c2b266743ee13d2642d86a5985027073f30798

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "261e5675d5847c84c6183c31266c2fb5c891353312148ca71fa1e6de8b4e6f5b",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-10-22T07:59:50Z",
    "title_canon_sha256": "5ac2bec548ab992c9007e23251df367bad88042334dbf0d436f286666b261252"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07906",
    "kind": "arxiv",
    "version": 4
  }
}