Pith Number

pith:MWZERVX7

pith:2021:MWZERVX7TEUVLSNRKIH7WB7FBF

not attested not anchored not stored refs pending

Emergence of the Classical from within the Quantum Universe

Wojciech Hubert Zurek

arxiv:2107.03378 v1 · 2021-07-07 · 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{MWZERVX7TEUVLSNRKIH7WB7FBF}

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

Heading towards an Algebraic Heisenberg Cut

Receipt and verification

First computed	2026-07-05T04:18:00.205438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65b248d6ff992955c9b1520ffb07e5094bc286faeec69d4742a82b7678202aaa

Aliases

arxiv: 2107.03378 · arxiv_version: 2107.03378v1 · doi: 10.48550/arxiv.2107.03378 · pith_short_12: MWZERVX7TEUV · pith_short_16: MWZERVX7TEUVLSNR · pith_short_8: MWZERVX7

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/MWZERVX7TEUVLSNRKIH7WB7FBF \
  | 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: 65b248d6ff992955c9b1520ffb07e5094bc286faeec69d4742a82b7678202aaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dca8eae3422427663969e8cf87b39faef608d6c8593dcbaa53063314560b8d7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-07-07T17:57:29Z",
    "title_canon_sha256": "0508267c6e38812d076c7fb9916f9eef4557309ef5f99db48bad69e8e3c68846"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.03378",
    "kind": "arxiv",
    "version": 1
  }
}