Pith Number

pith:VAFEYVMV

pith:2010:VAFEYVMVXMZMC3KHPMPROAQZGC

not attested not anchored not stored refs pending

Strongly Enhanced Spin Squeezing via Quantum Control

Collin M. Trail, Ivan H. Deutsch, Poul S. Jessen

arxiv:1004.2282 v1 · 2010-04-13 · 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{VAFEYVMVXMZMC3KHPMPROAQZGC}

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	2026-05-18T03:23:48.841620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a80a4c5595bb32c16d477b1f1702193097f97ef5e710f8ea9ed936b4f4fbf93f

Aliases

arxiv: 1004.2282 · arxiv_version: 1004.2282v1 · doi: 10.48550/arxiv.1004.2282 · pith_short_12: VAFEYVMVXMZM · pith_short_16: VAFEYVMVXMZMC3KH · pith_short_8: VAFEYVMV

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/VAFEYVMVXMZMC3KHPMPROAQZGC \
  | 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: a80a4c5595bb32c16d477b1f1702193097f97ef5e710f8ea9ed936b4f4fbf93f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bad436988299213f028b91d513ffceb30a8640d831ca974b10a033af72dcbe79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-04-13T22:35:38Z",
    "title_canon_sha256": "b9b2dee5995997c55fc422480e0644f585993c112a32f14aa51d44dcafe20c52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2282",
    "kind": "arxiv",
    "version": 1
  }
}