Pith Number

pith:RX3SUU5Q

pith:2018:RX3SUU5QGGU7J4WBPF2CKFUVPO

not attested not anchored not stored refs pending

Can the fluctuations of the quantum vacuum solve the cosmological constant problem?

Qingdi Wang, Samuel S. Cree, Tamara M. Davis, Timothy C. Ralph, William G. Unruh, Zhen Zhu

arxiv:1805.12293 v2 · 2018-05-31 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RX3SUU5QGGU7J4WBPF2CKFUVPO}

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	2026-05-18T00:05:30.962305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8df72a53b031a9f4f2c179742516957b9e0110d896709fffe3885c3d59a8782f

Aliases

arxiv: 1805.12293 · arxiv_version: 1805.12293v2 · doi: 10.48550/arxiv.1805.12293 · pith_short_12: RX3SUU5QGGU7 · pith_short_16: RX3SUU5QGGU7J4WB · pith_short_8: RX3SUU5Q

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/RX3SUU5QGGU7J4WBPF2CKFUVPO \
  | 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: 8df72a53b031a9f4f2c179742516957b9e0110d896709fffe3885c3d59a8782f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dee1854c6f4325090ee6c47e4ac95bcaccdd07fec7e842f17b5d53c89bdd7fc",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-05-31T02:28:22Z",
    "title_canon_sha256": "4289b08f143907c6d95bab23089630b73554e835b08909471ecd4d204bd2ebe7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12293",
    "kind": "arxiv",
    "version": 2
  }
}