Pith Number

pith:EDMZFS63

pith:2006:EDMZFS63EST55GTKKHG2NIFCGC

not attested not anchored not stored refs pending

Limitation of entanglement due to spatial qubit separation

Martijn Wubs, Peter Hanggi, Roland Doll, Sigmund Kohler

arxiv:cond-mat/0608526 v2 · 2006-08-24 · cond-mat.mes-hall · 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{EDMZFS63EST55GTKKHG2NIFCGC}

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	2026-07-04T14:55:54.385823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20d992cbdb24a7de9a6a51cda6a0a230abda352ffdd35690c5703541f3a03c77

Aliases

arxiv: cond-mat/0608526 · arxiv_version: cond-mat/0608526v2 · doi: 10.48550/arxiv.cond-mat/0608526 · pith_short_12: EDMZFS63EST5 · pith_short_16: EDMZFS63EST55GTK · pith_short_8: EDMZFS63

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/EDMZFS63EST55GTKKHG2NIFCGC \
  | 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: 20d992cbdb24a7de9a6a51cda6a0a230abda352ffdd35690c5703541f3a03c77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b828f0ef047b06fbe5332d7fcac21452c059fc41c5724bf74a864dc876f4d49c",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2006-08-24T13:24:27Z",
    "title_canon_sha256": "4119d61c497e5a3bf48951fce2b281165c21faaf8555b31245ff36fd3fde3591"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0608526",
    "kind": "arxiv",
    "version": 2
  }
}