Pith Number

pith:NDGOKMKO

pith:2019:NDGOKMKO3VJJX5XADQIZQ4PWBL

not attested not anchored not stored refs pending

Tomography on Continuous Variable Quantum States

Ludmila Botelho

arxiv:1911.09648 v2 · 2019-11-18 · 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{NDGOKMKO3VJJX5XADQIZQ4PWBL}

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	2026-07-05T00:25:29.237736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68cce5314edd529bf6e01c119871f60ac8d93d1a8bb358ffc4c9cb5fba4d5865

Aliases

arxiv: 1911.09648 · arxiv_version: 1911.09648v2 · doi: 10.48550/arxiv.1911.09648 · pith_short_12: NDGOKMKO3VJJ · pith_short_16: NDGOKMKO3VJJX5XA · pith_short_8: NDGOKMKO

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/NDGOKMKO3VJJX5XADQIZQ4PWBL \
  | 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: 68cce5314edd529bf6e01c119871f60ac8d93d1a8bb358ffc4c9cb5fba4d5865

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11e5888116860f4df12a60f0ffb99c097efc644b578fe3fb23e6a572b74a3449",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-11-18T16:37:21Z",
    "title_canon_sha256": "f16e1a05b484c380f20bec716cf4b4994d9183f42e021a2054bd7a114fab61da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.09648",
    "kind": "arxiv",
    "version": 2
  }
}