Pith Number

pith:XT4YXIVM

pith:2019:XT4YXIVMKFFOVNAXOI3DT4A6LY

not attested not anchored not stored refs pending

Vacuum fluctuation, micro-cyclic "universes" and the cosmological constant problem

Qingdi Wang, William G. Unruh

arxiv:1904.08599 v3 · 2019-04-18 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XT4YXIVMKFFOVNAXOI3DT4A6LY}

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

Accelerating imperfect fluid

Receipt and verification

First computed	2026-07-05T01:24:26.884990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcf98ba2ac514aeab417723639f01e5e2a813d787faa70cfee3b79226202556a

Aliases

arxiv: 1904.08599 · arxiv_version: 1904.08599v3 · doi: 10.48550/arxiv.1904.08599 · pith_short_12: XT4YXIVMKFFO · pith_short_16: XT4YXIVMKFFOVNAX · pith_short_8: XT4YXIVM

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/XT4YXIVMKFFOVNAXOI3DT4A6LY \
  | 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: bcf98ba2ac514aeab417723639f01e5e2a813d787faa70cfee3b79226202556a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ca6fc8cb70cac37b9c6fc3f66d1f8065faf20a3027e6563e75100c6e562ee11",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-04-18T06:10:50Z",
    "title_canon_sha256": "2f0c5c11b2239453e664cfc7d37b60cb01374d5eb1c3639a33ab5538376cce5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08599",
    "kind": "arxiv",
    "version": 3
  }
}