Pith Number

pith:DZUZQI7Q

pith:2011:DZUZQI7QASIXD7VBG66EILJM5E

not attested not anchored not stored refs pending

Maximum information gain in weak or continuous measurements of qudits: complementarity is not enough

Howard M. Wiseman, Joshua Combes

arxiv:1105.0961 v2 · 2011-05-04 · 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{DZUZQI7QASIXD7VBG66EILJM5E}

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	2026-05-18T04:04:42.279407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e699823f0049171fea137bc442d2ce9243ec414567ae83139897911b907f50d

Aliases

arxiv: 1105.0961 · arxiv_version: 1105.0961v2 · doi: 10.48550/arxiv.1105.0961 · pith_short_12: DZUZQI7QASIX · pith_short_16: DZUZQI7QASIXD7VB · pith_short_8: DZUZQI7Q

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/DZUZQI7QASIXD7VBG66EILJM5E \
  | 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: 1e699823f0049171fea137bc442d2ce9243ec414567ae83139897911b907f50d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef199ca0c4fd621e6f1b2245c178f4d5a0a4d8f415a498ff6a2b1c8b7fe0481c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-05-04T23:18:16Z",
    "title_canon_sha256": "29989eb933314bb18bea5667622930144572f9bb2d56bc9b3d1850ec2ab1525e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0961",
    "kind": "arxiv",
    "version": 2
  }
}