Pith Number

pith:VUZ3DCWA

pith:2019:VUZ3DCWAIRTSC264MLDU6UH4NF

not attested not anchored not stored refs pending

Weak equivalence principle, swampland and $H_0$ tension with fast single radio bursts FRB 180924 and FRB 190523

Deng Wang, Jiajun Zhang, Zhaozhou Li

arxiv:1907.02838 v2 · 2019-07-05 · astro-ph.CO · gr-qc · 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{VUZ3DCWAIRTSC264MLDU6UH4NF}

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	2026-07-05T00:57:23.331334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad33b18ac04467216bdc62c74f50fc69798f28da091f07881ec7df1ee7bb26bc

Aliases

arxiv: 1907.02838 · arxiv_version: 1907.02838v2 · doi: 10.48550/arxiv.1907.02838 · pith_short_12: VUZ3DCWAIRTS · pith_short_16: VUZ3DCWAIRTSC264 · pith_short_8: VUZ3DCWA

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/VUZ3DCWAIRTSC264MLDU6UH4NF \
  | 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: ad33b18ac04467216bdc62c74f50fc69798f28da091f07881ec7df1ee7bb26bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "029ea52ee13358623429241004b58862eb5ab8dfde0b9555fa211bcc2550abfd",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-07-05T14:04:03Z",
    "title_canon_sha256": "8269e912dc59bdbec00465bf1e75935d6e759534410c5be3fa6a0d8d02b41106"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02838",
    "kind": "arxiv",
    "version": 2
  }
}