Pith Number

pith:DCCQQE4V

pith:2013:DCCQQE4VMIW6NWLEB6BSM2NJW6

not attested not anchored not stored refs pending

Optical Communication Without Photons

Nicolas Gisin

arxiv:1304.8053 v1 · 2013-04-30 · 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{DCCQQE4VMIW6NWLEB6BSM2NJW6}

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	2026-05-18T01:50:14.008552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1885081395622de6d9640f832669a9b78dc08734ad432644ec4e26bcbcca2f7c

Aliases

arxiv: 1304.8053 · arxiv_version: 1304.8053v1 · doi: 10.48550/arxiv.1304.8053 · pith_short_12: DCCQQE4VMIW6 · pith_short_16: DCCQQE4VMIW6NWLE · pith_short_8: DCCQQE4V

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/DCCQQE4VMIW6NWLEB6BSM2NJW6 \
  | 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: 1885081395622de6d9640f832669a9b78dc08734ad432644ec4e26bcbcca2f7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08b3cf1a34817c1d084aca067c14b69b219b30254caa199a593ab92eecbd6ee9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-04-30T16:17:03Z",
    "title_canon_sha256": "9d65c361ea00a0550583b1c446c2b3ab5af97d49ae436f682d8b48b9e7d43db7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.8053",
    "kind": "arxiv",
    "version": 1
  }
}