Pith Number

pith:OTNQYG4V

pith:2024:OTNQYG4VW4LF47FKLOFSQJODK4

not attested not anchored not stored refs pending

Purification of Gaussian States by Photon Subtraction

Huijun Li, Jietai Jing, Kun Zhang, Mattia Walschaers, Nicolas Treps

arxiv:2409.03473 v1 · 2024-09-05 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OTNQYG4VW4LF47FKLOFSQJODK4}

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	2026-07-05T09:03:31.876932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74db0c1b95b7165e7caa5b8b2825c35737d5642c4815548be18e42eca7d6fb65

Aliases

arxiv: 2409.03473 · arxiv_version: 2409.03473v1 · doi: 10.48550/arxiv.2409.03473 · pith_short_12: OTNQYG4VW4LF · pith_short_16: OTNQYG4VW4LF47FK · pith_short_8: OTNQYG4V

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/OTNQYG4VW4LF47FKLOFSQJODK4 \
  | 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: 74db0c1b95b7165e7caa5b8b2825c35737d5642c4815548be18e42eca7d6fb65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9f80f1f6653f86a5dd9052411d65d93e370bbba673c29c3d0365f408179d4f0",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-09-05T12:35:27Z",
    "title_canon_sha256": "e4842707eb078995e83581055c87b624eb2d0e5fc065ff42526c7ff397a60135"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.03473",
    "kind": "arxiv",
    "version": 1
  }
}