Pith Number

pith:XF2CL5M7

pith:2014:XF2CL5M7VBHIEEIRKIJ42R6URB

not attested not anchored not stored refs pending

Atmospheric continuous-variable quantum communication

Bettina Heim, Christian Peuntinger, Christoffer Wittmann, Christoph Marquardt, Gerd Leuchs, Imran Khan, Nathan Killoran

arxiv:1406.1321 v1 · 2014-06-05 · 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{XF2CL5M7VBHIEEIRKIJ42R6URB}

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	2026-05-18T01:04:50.749331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b97425f59fa84e8211115213cd47d4887ff3b7e126de3dd4777c9a05636ef4b4

Aliases

arxiv: 1406.1321 · arxiv_version: 1406.1321v1 · doi: 10.48550/arxiv.1406.1321 · pith_short_12: XF2CL5M7VBHI · pith_short_16: XF2CL5M7VBHIEEIR · pith_short_8: XF2CL5M7

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/XF2CL5M7VBHIEEIRKIJ42R6URB \
  | 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: b97425f59fa84e8211115213cd47d4887ff3b7e126de3dd4777c9a05636ef4b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "545209278a687cf49d42af6ec163d98ed6948c1beb9385072dc23877c44d2824",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-06-05T10:23:36Z",
    "title_canon_sha256": "3f386498731a074ab7442dd540d712ab25e532538eb8f0684709f5ae60158f94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1321",
    "kind": "arxiv",
    "version": 1
  }
}