Pith. sign in
Pith Number

pith:NS27IMMT

pith:2025:NS27IMMTTYN3XBVG3JL4NZSMVZ
not attested not anchored not stored refs pending

Inferring the cosmological constant in early Universe only by gravitational waves

Song Li, Wen-Biao Han

arxiv:2501.12608 v1 · 2025-01-22 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NS27IMMTTYN3XBVG3JL4NZSMVZ}

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 2026-07-05T10:03:55.625748Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6cb5f431939e1bbb86a6da57c6e64cae7bf4d9619e8a05ad71c392c1097c3bbb

Aliases

arxiv: 2501.12608 · arxiv_version: 2501.12608v1 · doi: 10.48550/arxiv.2501.12608 · pith_short_12: NS27IMMTTYN3 · pith_short_16: NS27IMMTTYN3XBVG · pith_short_8: NS27IMMT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NS27IMMTTYN3XBVG3JL4NZSMVZ \
  | 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: 6cb5f431939e1bbb86a6da57c6e64cae7bf4d9619e8a05ad71c392c1097c3bbb
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "77bca860b9d6a8cffd72c1c5c4a1754063949e2e248a825fa53749312b21900e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-01-22T03:24:36Z",
    "title_canon_sha256": "1f6caeca20ed46866b3ef35acf04c1b876a2d7e4848a0c1fe8b7171ebe7e0a74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.12608",
    "kind": "arxiv",
    "version": 1
  }
}