Pith Number

pith:CU6AK35R

pith:2004:CU6AK35RROJMYKHBFEFOANEBSS

not attested not anchored not stored refs pending

A cosmology with variable c

Hossein Shojaie, Mehrdad Farhoudi

arxiv:gr-qc/0407096 v2 · 2004-07-26 · gr-qc · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CU6AK35RROJMYKHBFEFOANEBSS}

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	2026-05-18T04:40:18.661768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

153c056fb18b92cc28e1290ae034819492874276732651921137246458ca551e

Aliases

arxiv: gr-qc/0407096 · arxiv_version: gr-qc/0407096v2 · doi: 10.48550/arxiv.gr-qc/0407096 · pith_short_12: CU6AK35RROJM · pith_short_16: CU6AK35RROJMYKHB · pith_short_8: CU6AK35R

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/CU6AK35RROJMYKHBFEFOANEBSS \
  | 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: 153c056fb18b92cc28e1290ae034819492874276732651921137246458ca551e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9259913c077697b2ffc53bd44d00e5c627fbc24a77a66e2b7229da18db2fbd7",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-07-26T14:24:52Z",
    "title_canon_sha256": "c6957f147e58f1caa55dba007bc50bee581a95a228b656676001cd4f2324acd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0407096",
    "kind": "arxiv",
    "version": 2
  }
}