Pith Number

pith:ZE2KBWPO

pith:2016:ZE2KBWPO4PROOEWIZOBT2ZTNYS

not attested not anchored not stored refs pending

A novel single-crystal & single-pass source for polarisation- and colour-entangled photon pairs

Fabian Laudenbach, Hannes H\"ubel, Michael Hentschel, Philip Walther, Sebastian Kalista

arxiv:1612.06579 v2 · 2016-12-20 · 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{ZE2KBWPO4PROOEWIZOBT2ZTNYS}

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	2026-05-18T00:36:09.347121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c934a0d9eee3e2e712c8cb833d666dc4ab1eb237b79abff7685ca6ccb4bfabe1

Aliases

arxiv: 1612.06579 · arxiv_version: 1612.06579v2 · doi: 10.48550/arxiv.1612.06579 · pith_short_12: ZE2KBWPO4PRO · pith_short_16: ZE2KBWPO4PROOEWI · pith_short_8: ZE2KBWPO

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/ZE2KBWPO4PROOEWIZOBT2ZTNYS \
  | 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: c934a0d9eee3e2e712c8cb833d666dc4ab1eb237b79abff7685ca6ccb4bfabe1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2187d1a8c64841c35a1ca36c6c3279beb657de85fccc5d443f1ddb8c8bd89be",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-12-20T10:05:15Z",
    "title_canon_sha256": "36faa85857b418fcb5f8598c5774eb13c0ee6029cb5093685fe2573969268f70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.06579",
    "kind": "arxiv",
    "version": 2
  }
}