pith. sign in
Pith Number

pith:BRHH6KID

pith:2018:BRHH6KIDDXYHACJFKKDFUY7NII
not attested not anchored not stored refs pending

Superpositions of the cosmological constant allow for singularity resolution and unitary evolution in quantum cosmology

Karim P. Y. Th\'ebault, Sean Gryb

arxiv:1801.05782 v2 · 2018-01-17 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BRHH6KIDDXYHACJFKKDFUY7NII}

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 2026-05-18T00:08:15.551630Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0c4e7f29031df070092552865a63ed421040fee13fa0e1b1277d63411adfe59c

Aliases

arxiv: 1801.05782 · arxiv_version: 1801.05782v2 · doi: 10.48550/arxiv.1801.05782 · pith_short_12: BRHH6KIDDXYH · pith_short_16: BRHH6KIDDXYHACJF · pith_short_8: BRHH6KID
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BRHH6KIDDXYHACJFKKDFUY7NII \
  | 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: 0c4e7f29031df070092552865a63ed421040fee13fa0e1b1277d63411adfe59c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "72e0378a39709c20f3291a049cd2e5026ff3bbe9ff1fbdf2f55d18f34bb9d5fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-01-17T18:14:40Z",
    "title_canon_sha256": "a59b9f87511871fa941ba3b64a197ae2fa6961a8b36f367b2702354201309680"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05782",
    "kind": "arxiv",
    "version": 2
  }
}