Pith Number

pith:PEWJHYY6

pith:2020:PEWJHYY6GEVCBO55F5GBGS5X6Z

not attested not anchored not stored refs pending

Certifying position-momentum entanglement at telecommunication wavelengths

Evelyn Ortega, Jorge Fuenzalida, Krishna Dovzhik, Lukas Achatz, Martin Bohmann, Rodrigo F. Shiozaki, Rupert Ursin, S\"oren Wengerowsky

arxiv:2012.08157 v3 · 2020-12-15 · 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{PEWJHYY6GEVCBO55F5GBGS5X6Z}

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	2026-07-05T03:46:56.963234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

792c93e31e312a20bbbd2f4c134bb7f66c73af7115ffd3a7c808682761b3572b

Aliases

arxiv: 2012.08157 · arxiv_version: 2012.08157v3 · doi: 10.48550/arxiv.2012.08157 · pith_short_12: PEWJHYY6GEVC · pith_short_16: PEWJHYY6GEVCBO55 · pith_short_8: PEWJHYY6

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/PEWJHYY6GEVCBO55F5GBGS5X6Z \
  | 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: 792c93e31e312a20bbbd2f4c134bb7f66c73af7115ffd3a7c808682761b3572b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0942653afb33e13c944927084399a6486f6022e5cd36cc6a7124d660da7355ce",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-12-15T08:57:53Z",
    "title_canon_sha256": "ee686f937567500d7dd1f3df5c74affeff62c302375d1a5cc675995f98d43fa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.08157",
    "kind": "arxiv",
    "version": 3
  }
}