Pith Number

pith:NSWIMPJL

pith:2002:NSWIMPJL3MEJNUTPO6LXAGCQKE

not attested not anchored not stored refs pending

Local vs. Joint Measurements for the Entanglement of Assistance

F. Verstraete, S. J. van Enk, T. Laustsen

arxiv:quant-ph/0206192 v2 · 2002-06-27 · 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{NSWIMPJL3MEJNUTPO6LXAGCQKE}

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	2026-05-18T01:05:04.441293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cac863d2bdb0896d26f7797701850511105fccb3d29849a31869a897f8b05fb

Aliases

arxiv: quant-ph/0206192 · arxiv_version: quant-ph/0206192v2 · doi: 10.48550/arxiv.quant-ph/0206192 · pith_short_12: NSWIMPJL3MEJ · pith_short_16: NSWIMPJL3MEJNUTP · pith_short_8: NSWIMPJL

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/NSWIMPJL3MEJNUTPO6LXAGCQKE \
  | 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: 6cac863d2bdb0896d26f7797701850511105fccb3d29849a31869a897f8b05fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f07d5df2686b8b4c85af6078d87150bfed5440a24b79ff15209c05507abb2be9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-06-27T19:22:30Z",
    "title_canon_sha256": "34ca9b409c616a6645c189ea12806d19c2387e96a29ca259b777456ea77e5f7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0206192",
    "kind": "arxiv",
    "version": 2
  }
}