Pith Number

pith:3JXW4AFG

pith:2013:3JXW4AFGSBRKMCOP5GFRARV5S4

not attested not anchored not stored refs pending

Secure Optical Networks Based on Quantum Key Distribution and Weakly Trusted Repeaters

Alex Ciurana, David Elkouss, Jesus Martinez-Mateo, Vicente Martin

arxiv:1304.4048 v1 · 2013-04-15 · quant-ph · cs.CR · cs.NI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3JXW4AFGSBRKMCOP5GFRARV5S4}

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	2026-05-18T03:27:55.557081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da6f6e00a69062a609cfe98b1046bd970a5e6950cd5e4a55d335c312a0c32b68

Aliases

arxiv: 1304.4048 · arxiv_version: 1304.4048v1 · doi: 10.48550/arxiv.1304.4048 · pith_short_12: 3JXW4AFGSBRK · pith_short_16: 3JXW4AFGSBRKMCOP · pith_short_8: 3JXW4AFG

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/3JXW4AFGSBRKMCOP5GFRARV5S4 \
  | 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: da6f6e00a69062a609cfe98b1046bd970a5e6950cd5e4a55d335c312a0c32b68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a42a154123ce85eb02749d99683f411ac1359f1a2d1ad342bdba5ac1f508234",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.NI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-04-15T10:52:33Z",
    "title_canon_sha256": "c9f4ef21247eb34b7f17de5e441da0b0a8baded585e22bfc1d02ff9e3252b923"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4048",
    "kind": "arxiv",
    "version": 1
  }
}