Pith Number

pith:SN4VEJYX

pith:2007:SN4VEJYXT6KLBNMGY5HMH36YYP

not attested not anchored not stored refs pending

Comments on "Note on varying speed of light theories"

Joao Magueijo, John W. Moffat

arxiv:0705.4507 v1 · 2007-05-31 · gr-qc · astro-ph · hep-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{SN4VEJYXT6KLBNMGY5HMH36YYP}

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

Alleviating the Hubble Tension via Cosmological Time Dilation in the meVSL Model

Receipt and verification

First computed	2026-07-04T15:28:24.642703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93795227179f94b0b586c74ec3efd8c3cdf4288fc214f8f06a83e1afb04fa6b4

Aliases

arxiv: 0705.4507 · arxiv_version: 0705.4507v1 · doi: 10.48550/arxiv.0705.4507 · pith_short_12: SN4VEJYXT6KL · pith_short_16: SN4VEJYXT6KLBNMG · pith_short_8: SN4VEJYX

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/SN4VEJYXT6KLBNMGY5HMH36YYP \
  | 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: 93795227179f94b0b586c74ec3efd8c3cdf4288fc214f8f06a83e1afb04fa6b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a29e7c4f4388557290af93bbb07b148ba02f4525962485128a93a1788fcb27b",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-05-31T03:18:51Z",
    "title_canon_sha256": "9b3a52dfe1f727ba6ceabcc5c5f6946c27b2058f57e865d42c46640a1c102ed0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.4507",
    "kind": "arxiv",
    "version": 1
  }
}