Pith Number

pith:DLQENS2U

pith:2008:DLQENS2USZWT3ML5UMRMWTWLTP

not attested not anchored not stored refs pending

Characterization of entanglement in multiqubit systems via spin squeezing

Bangalore University, Banglaore, INDIA.), M. S. Uma (Department of Physics

arxiv:0809.5147 v2 · 2008-09-30 · 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{DLQENS2USZWT3ML5UMRMWTWLTP}

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	2026-07-04T15:46:05.559856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ae046cb54966d3db17da322cb4ecb9bc28c50a0395c9f66001f7a9d8455bb79

Aliases

arxiv: 0809.5147 · arxiv_version: 0809.5147v2 · doi: 10.48550/arxiv.0809.5147 · pith_short_12: DLQENS2USZWT · pith_short_16: DLQENS2USZWT3ML5 · pith_short_8: DLQENS2U

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/DLQENS2USZWT3ML5UMRMWTWLTP \
  | 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: 1ae046cb54966d3db17da322cb4ecb9bc28c50a0395c9f66001f7a9d8455bb79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e94e2d0172afcccca8525c0a3700fefc10b09e3064d810bba2ef80636134aad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-09-30T09:30:09Z",
    "title_canon_sha256": "3b2f200d0220913fe73a79d73e202cde9aed218341b20a52c5469260fd9b6fc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.5147",
    "kind": "arxiv",
    "version": 2
  }
}