Pith Number

pith:4CET4YHT

pith:2017:4CET4YHTBIAQ4Y3BCE2X42Q6RY

not attested not anchored not stored refs pending

Probing free-space quantum channels with laboratory-based experiments

Christine Silberhorn, Jan Sperling, Martin Bohmann, Regina Kruse, Werner Vogel

arxiv:1702.04127 v2 · 2017-02-14 · 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{4CET4YHTBIAQ4Y3BCE2X42Q6RY}

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	2026-05-18T00:41:57.912403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0893e60f30a010e636111357e6a1e8e1a985786f5238ecc0f3c095230b60f24

Aliases

arxiv: 1702.04127 · arxiv_version: 1702.04127v2 · doi: 10.48550/arxiv.1702.04127 · pith_short_12: 4CET4YHTBIAQ · pith_short_16: 4CET4YHTBIAQ4Y3B · pith_short_8: 4CET4YHT

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/4CET4YHTBIAQ4Y3BCE2X42Q6RY \
  | 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: e0893e60f30a010e636111357e6a1e8e1a985786f5238ecc0f3c095230b60f24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80d5f0d793a48c691035b38774782d0dede32070b03db95eead8ecc20fc6b99f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-02-14T09:25:11Z",
    "title_canon_sha256": "995f3388a5a365ab74e533194ae18b2517f9e642a1f32631e6529d215aede9c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04127",
    "kind": "arxiv",
    "version": 2
  }
}