Pith Number

pith:NEBDPJ5A

pith:2018:NEBDPJ5ACQQNYYSPJWIOLKQVNS

not attested not anchored not stored refs pending

Quantum entanglement in de Sitter space with a wall, and the decoherence of bubble universes

Andreas Albrecht, Misao Sasaki, Sugumi Kanno

arxiv:1802.08794 v1 · 2018-02-24 · hep-th · gr-qc · quant-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{NEBDPJ5ACQQNYYSPJWIOLKQVNS}

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	2026-05-18T00:16:25.587975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

690237a7a01420dc624f4d90e5aa156ca1c299a74716f5e1552f8f3070aaf22a

Aliases

arxiv: 1802.08794 · arxiv_version: 1802.08794v1 · doi: 10.48550/arxiv.1802.08794 · pith_short_12: NEBDPJ5ACQQN · pith_short_16: NEBDPJ5ACQQNYYSP · pith_short_8: NEBDPJ5A

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/NEBDPJ5ACQQNYYSPJWIOLKQVNS \
  | 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: 690237a7a01420dc624f4d90e5aa156ca1c299a74716f5e1552f8f3070aaf22a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "270763d551b3841831780e169fa3c1e1f9172b48da6731d1fbf407929cd9d9b7",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-02-24T04:04:54Z",
    "title_canon_sha256": "b1a78546e86b44f9897740351553e95fecc06bc5953902106dfc198bf5fb0db1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08794",
    "kind": "arxiv",
    "version": 1
  }
}