Pith Number

pith:EJ34PUXN

pith:2013:EJ34PUXNO7G4VZ7PL6T4GCGYIZ

not attested not anchored not stored refs pending

Generic emergence of classical features in quantum Darwinism

Fernando G.S.L. Brandao, Marco Piani, Pawel Horodecki

arxiv:1310.8640 v2 · 2013-10-31 · 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{EJ34PUXNO7G4VZ7PL6T4GCGYIZ}

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	2026-05-18T01:34:42.356848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2277c7d2ed77cdcae7ef5fa7c308d84656b8b6f8aaa2e26341da766974809009

Aliases

arxiv: 1310.8640 · arxiv_version: 1310.8640v2 · doi: 10.48550/arxiv.1310.8640 · pith_short_12: EJ34PUXNO7G4 · pith_short_16: EJ34PUXNO7G4VZ7P · pith_short_8: EJ34PUXN

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/EJ34PUXNO7G4VZ7PL6T4GCGYIZ \
  | 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: 2277c7d2ed77cdcae7ef5fa7c308d84656b8b6f8aaa2e26341da766974809009

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5724bf4b7d7927cae4e5927e89e5b13e1c97982fff467a0337cd08bb3ed75ea7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-10-31T19:00:02Z",
    "title_canon_sha256": "4f74e084965a07728bba0010e044ca120e8152c812f14ac99978aaf3fd71e553"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.8640",
    "kind": "arxiv",
    "version": 2
  }
}