Pith Number

pith:VECKVZP5

pith:2012:VECKVZP5COHKR3SVVL6RX4PRTY

not attested not anchored not stored refs pending

Super-bunched bright squeezed vacuum state

A. Perez, G. Leuchs, K. Yu. Spasibko, M. V. Chekhova, T. Sh. Iskhakov

arxiv:1202.1682 v1 · 2012-02-08 · 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{VECKVZP5COHKR3SVVL6RX4PRTY}

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	2026-05-18T04:02:51.490697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a904aae5fd138ea8ee55aafd1bf1f19e21762e8a9ac99e8c181b47b1bc181db1

Aliases

arxiv: 1202.1682 · arxiv_version: 1202.1682v1 · doi: 10.48550/arxiv.1202.1682 · pith_short_12: VECKVZP5COHK · pith_short_16: VECKVZP5COHKR3SV · pith_short_8: VECKVZP5

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/VECKVZP5COHKR3SVVL6RX4PRTY \
  | 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: a904aae5fd138ea8ee55aafd1bf1f19e21762e8a9ac99e8c181b47b1bc181db1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71bca242cb7b65045898e9a3449c13b95a29f207ae13cd946b785bfefa73bb17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-02-08T12:55:44Z",
    "title_canon_sha256": "87dab73ee4860ce9efa4f8591e7859a983e5ad039bda57ab3725ae3aa9c9f326"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1682",
    "kind": "arxiv",
    "version": 1
  }
}