Pith Number

pith:LBEY43PD

pith:2011:LBEY43PDXNCZF26DJYBMUXEAVR

not attested not anchored not stored refs pending

Functional boxes, communication complexity and information causality

Guoming Wang

arxiv:1109.4988 v2 · 2011-09-23 · 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{LBEY43PDXNCZF26DJYBMUXEAVR}

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	2026-05-18T04:12:01.825733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58498e6de3bb4592ebc34e02ca5c80ac74f11189860ffa7e344529863f40c04a

Aliases

arxiv: 1109.4988 · arxiv_version: 1109.4988v2 · doi: 10.48550/arxiv.1109.4988 · pith_short_12: LBEY43PDXNCZ · pith_short_16: LBEY43PDXNCZF26D · pith_short_8: LBEY43PD

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/LBEY43PDXNCZF26DJYBMUXEAVR \
  | 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: 58498e6de3bb4592ebc34e02ca5c80ac74f11189860ffa7e344529863f40c04a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68017bb6d6d065d3890a999c496914117826703e4f3484288df8bafcab7919ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-09-23T01:57:53Z",
    "title_canon_sha256": "099fc92b42a4b765e58a3b667135e3648aa1eb7a7d348430c9414ff6dc5d6d4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4988",
    "kind": "arxiv",
    "version": 2
  }
}