Pith Number

pith:5P6EUQDR

pith:2003:5P6EUQDRSCSXKUUUFI77PHC4J3

not attested not anchored not stored refs pending

Genralized Robustness of Entanglement

Michael Steiner

arxiv:quant-ph/0304009 v2 · 2003-04-01 · 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{5P6EUQDRSCSXKUUUFI77PHC4J3}

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.

Cited by

1 paper in Pith

Estimating the best separable approximation of non-pure spin-squeezed states

Receipt and verification

First computed	2026-07-04T16:42:28.266935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebfc4a407190a57552942a3ff79c5c4ec507c50ad95d5b1ba667c9e4b3f0cbf1

Aliases

arxiv: quant-ph/0304009 · arxiv_version: quant-ph/0304009v2 · doi: 10.48550/arxiv.quant-ph/0304009 · pith_short_12: 5P6EUQDRSCSX · pith_short_16: 5P6EUQDRSCSXKUUU · pith_short_8: 5P6EUQDR

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/5P6EUQDRSCSXKUUUFI77PHC4J3 \
  | 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: ebfc4a407190a57552942a3ff79c5c4ec507c50ad95d5b1ba667c9e4b3f0cbf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ea2a95f0184023cedc0346e9ef6ba801e0841173ea20760a9ab3d29844dc80f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-04-01T17:05:54Z",
    "title_canon_sha256": "56d4fbbf00fa8d8afd9971fd4ca5d1028e171289d64311251896d44956063ad2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0304009",
    "kind": "arxiv",
    "version": 2
  }
}