Pith Number

pith:IWSDAUP7

pith:2018:IWSDAUP75MS67ZH2L5AMBPZF7N

not attested not anchored not stored refs pending

F(R) cosmology via Noether symmetry and lambda-Chaplygin Gas like model

H. R. Fazlollahi

arxiv:1804.02971 v3 · 2018-04-01 · 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{IWSDAUP75MS67ZH2L5AMBPZF7N}

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	2026-05-18T00:13:04.289842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45a43051ffeb25efe4fa5f40c0bf25fb71b59ffcec910ab05168dae5655d3ec1

Aliases

arxiv: 1804.02971 · arxiv_version: 1804.02971v3 · doi: 10.48550/arxiv.1804.02971 · pith_short_12: IWSDAUP75MS6 · pith_short_16: IWSDAUP75MS67ZH2 · pith_short_8: IWSDAUP7

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/IWSDAUP75MS67ZH2L5AMBPZF7N \
  | 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: 45a43051ffeb25efe4fa5f40c0bf25fb71b59ffcec910ab05168dae5655d3ec1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f85a376b46c6e585ac9ec0af1d32c916b07b02245dd8eb916e4d52e878aea18",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-04-01T22:18:12Z",
    "title_canon_sha256": "92a1216221b831e1db4f998b1852f37b0abb9ac8b4adba3e7b3a27944a50cb7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02971",
    "kind": "arxiv",
    "version": 3
  }
}