Pith Number

pith:EBF7GCPG

pith:2009:EBF7GCPGVSP5CO5TDP4CLH4MQN

not attested not anchored not stored refs pending

Squeezing evolution with non-dissipative SU(1,1) systems

Faisal A. A. El-Orany, M. Sebawe Abdalla, S. S. Hassan

arxiv:0908.3045 v1 · 2009-08-21 · 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{EBF7GCPGVSP5CO5TDP4CLH4MQN}

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	2026-05-18T02:12:24.421112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

204bf309e6ac9fd13bb31bf8259f8c835542c91e7393a4907a37d43bff1ff553

Aliases

arxiv: 0908.3045 · arxiv_version: 0908.3045v1 · doi: 10.48550/arxiv.0908.3045 · pith_short_12: EBF7GCPGVSP5 · pith_short_16: EBF7GCPGVSP5CO5T · pith_short_8: EBF7GCPG

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/EBF7GCPGVSP5CO5TDP4CLH4MQN \
  | 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: 204bf309e6ac9fd13bb31bf8259f8c835542c91e7393a4907a37d43bff1ff553

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca00b485c1abce311477795a9d79be7f6b74ebfca45886354cc5d5d11678e8d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-08-21T03:55:42Z",
    "title_canon_sha256": "df74d3c57f55347dd19355798627f2aa8c2b70ace1ec3995221257e7b5505860"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3045",
    "kind": "arxiv",
    "version": 1
  }
}