Pith Number

pith:M2MQ4Q5Q

pith:2017:M2MQ4Q5QVG6RA353ABOAI3P7UB

not attested not anchored not stored refs pending

Normal DGP in varying speed of light cosmology

Arvin Ravanpak, Golnaz Farpoor Fadakar, Hossein Farajollahi

arxiv:1703.09811 v1 · 2017-03-28 · 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{M2MQ4Q5QVG6RA353ABOAI3P7UB}

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	2026-05-18T00:47:00.466537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66990e43b0a9bd106fbb005c046dffa07ab6d6fb9e52b7aac9b0aee81e08ace9

Aliases

arxiv: 1703.09811 · arxiv_version: 1703.09811v1 · doi: 10.48550/arxiv.1703.09811 · pith_short_12: M2MQ4Q5QVG6R · pith_short_16: M2MQ4Q5QVG6RA353 · pith_short_8: M2MQ4Q5Q

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/M2MQ4Q5QVG6RA353ABOAI3P7UB \
  | 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: 66990e43b0a9bd106fbb005c046dffa07ab6d6fb9e52b7aac9b0aee81e08ace9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce86b97d0b451b72a0c1c16abd18aa72d441f7c18a767b4271cc8f1e658b1379",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-03-28T21:35:01Z",
    "title_canon_sha256": "3af64d356a6e5e17667e878ba6eb319ff0b33be2b16fd098e307b54f8e74d183"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09811",
    "kind": "arxiv",
    "version": 1
  }
}