Pith Number

pith:ETOTB62Z

pith:2005:ETOTB62Z62EZJKITV7SW4IOOBB

not attested not anchored not stored refs pending

Coherent State Quantum Key Distribution Without Random Basis Switching

Andrew M. Lance, Christian Weedbrook, Ping Koy Lam, Thomas Symul, Timothy C. Ralph, Warwick P. Bowen

arxiv:quant-ph/0508169 v1 · 2005-08-23 · 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{ETOTB62Z62EZJKITV7SW4IOOBB}

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	2026-05-18T01:37:57.545333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24dd30fb59f68994a913afe56e21ce0851d787682614eacb3bc2cf863d6511ba

Aliases

arxiv: quant-ph/0508169 · arxiv_version: quant-ph/0508169v1 · doi: 10.48550/arxiv.quant-ph/0508169 · pith_short_12: ETOTB62Z62EZ · pith_short_16: ETOTB62Z62EZJKIT · pith_short_8: ETOTB62Z

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/ETOTB62Z62EZJKITV7SW4IOOBB \
  | 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: 24dd30fb59f68994a913afe56e21ce0851d787682614eacb3bc2cf863d6511ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e2387cff56801c2b380688fc81594eecb1ef1fe55461fc7abd662069c1830c9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-08-23T10:35:26Z",
    "title_canon_sha256": "f3c808969dd8454adc964e278b1c11d196bcb3bf61599ff0e70c9dcb7a7bcb10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0508169",
    "kind": "arxiv",
    "version": 1
  }
}