Pith Number

pith:PQPLYWCA

pith:2012:PQPLYWCARSVEKCHHM4FNDQ44CT

not attested not anchored not stored refs pending

Long-distance quantum key distribution with imperfect devices

Mohsen Razavi, Nicol\'o Lo Piparo

arxiv:1210.8042 v2 · 2012-10-30 · 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{PQPLYWCARSVEKCHHM4FNDQ44CT}

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	2026-05-18T00:56:52.371875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c1ebc58408caa4508e7670ad1c39c14d4b7cd40c604564cd81cef1e5e36e9d3

Aliases

arxiv: 1210.8042 · arxiv_version: 1210.8042v2 · doi: 10.48550/arxiv.1210.8042 · pith_short_12: PQPLYWCARSVE · pith_short_16: PQPLYWCARSVEKCHH · pith_short_8: PQPLYWCA

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/PQPLYWCARSVEKCHHM4FNDQ44CT \
  | 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: 7c1ebc58408caa4508e7670ad1c39c14d4b7cd40c604564cd81cef1e5e36e9d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7387ba2720244a204f02a5cdcdee89cc8a497d3cdcd4c7d57283ecb11a7e5f62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-10-30T15:13:15Z",
    "title_canon_sha256": "eae94778adc909099c0770872a21d96f81af64c2e51ee6b68fb8991618ba6c5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.8042",
    "kind": "arxiv",
    "version": 2
  }
}