Pith Number

pith:RU6WBN5J

pith:2011:RU6WBN5JBKD35ORTPUKURJVRUZ

not attested not anchored not stored refs pending

Polarization-entanglement conserving frequency conversion of photons

Alessandro Fedrizzi, Andreas Poppe, Anton Zeilinger, Nathan K. Langford, Sven Ramelow

arxiv:1106.1867 v1 · 2011-06-09 · 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{RU6WBN5JBKD35ORTPUKURJVRUZ}

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	2026-05-18T04:03:06.968642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d3d60b7a90a87beba337d1548a6b1a65cc6a877b3d78dd0b6062c64150ae5d0

Aliases

arxiv: 1106.1867 · arxiv_version: 1106.1867v1 · doi: 10.48550/arxiv.1106.1867 · pith_short_12: RU6WBN5JBKD3 · pith_short_16: RU6WBN5JBKD35ORT · pith_short_8: RU6WBN5J

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/RU6WBN5JBKD35ORTPUKURJVRUZ \
  | 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: 8d3d60b7a90a87beba337d1548a6b1a65cc6a877b3d78dd0b6062c64150ae5d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebe0d0102ebde46094da619f24e265d65e2764b42870372cba47e66f5338089b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-06-09T17:35:36Z",
    "title_canon_sha256": "8330eaaa0b4aa9dae62a4510604dd91ca8977c7c17c320912f430672a0b279d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1867",
    "kind": "arxiv",
    "version": 1
  }
}