Pith Number

pith:MCNIL6VS

pith:2018:MCNIL6VSHQGDQTFENCFIFBSXPI

not attested not anchored not stored refs pending

Beam focusing and reduction of quantum uncertainty in width at the few-photon level via multi-spatial-mode squeezing

G. S. Argarwal, Lida Zhang, M. O. Scully

arxiv:1809.02486 v1 · 2018-09-07 · 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{MCNIL6VSHQGDQTFENCFIFBSXPI}

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	2026-05-17T23:52:05.251478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

609a85fab23c0c384ca4688a8286577a2ef87466f56e8c9c5294616b6e0dd2d1

Aliases

arxiv: 1809.02486 · arxiv_version: 1809.02486v1 · doi: 10.48550/arxiv.1809.02486 · pith_short_12: MCNIL6VSHQGD · pith_short_16: MCNIL6VSHQGDQTFE · pith_short_8: MCNIL6VS

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/MCNIL6VSHQGDQTFENCFIFBSXPI \
  | 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: 609a85fab23c0c384ca4688a8286577a2ef87466f56e8c9c5294616b6e0dd2d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "968b424acbecfb5aed0f2f99aae6ced04753b961081efaa7a36a4b88a1df1be1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-09-07T14:02:51Z",
    "title_canon_sha256": "43b021933b1ecc157d46e4aeaf8cbe17a2e3a5cf1d365b1b867d6436f123b661"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02486",
    "kind": "arxiv",
    "version": 1
  }
}