Pith Number

pith:DDJSBYMQ

pith:2009:DDJSBYMQTALEHJSUM4Z6GWRNGA

not attested not anchored not stored refs pending

Modified Friedmann model in Randers-Finsler space of approximate Berwald type as a possible alternative to dark energy hypothesis

Xin Li, Zhe Chang

arxiv:0901.1023 v1 · 2009-01-08 · 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{DDJSBYMQTALEHJSUM4Z6GWRNGA}

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

Reduction of the Finsler gravity vacuum equation and dynamics for the cosmological Landsberg spacetimes

Receipt and verification

First computed	2026-07-04T15:43:05.993029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18d320e190981643a6546733e35a2d30124925caf269e1afbaa67049ecc9e22d

Aliases

arxiv: 0901.1023 · arxiv_version: 0901.1023v1 · doi: 10.48550/arxiv.0901.1023 · pith_short_12: DDJSBYMQTALE · pith_short_16: DDJSBYMQTALEHJSU · pith_short_8: DDJSBYMQ

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/DDJSBYMQTALEHJSUM4Z6GWRNGA \
  | 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: 18d320e190981643a6546733e35a2d30124925caf269e1afbaa67049ecc9e22d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0435ee104774a726f640f0391427c98cb77ca463318e2ab6d2761be0e80c81cb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-01-08T11:39:40Z",
    "title_canon_sha256": "390a8091d02dd1f28c4635ccd5b6a5f449dda994335f0cb6aeeec518d6959b15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1023",
    "kind": "arxiv",
    "version": 1
  }
}