Pith Number

pith:4UDWI53M

pith:2012:4UDWI53MM47WZVCZL4DYDGV4OM

not attested not anchored not stored refs pending

Insider-proof encryption with applications for quantum key distribution

Lana Sheridan, Matthew McKague

arxiv:1209.4696 v2 · 2012-09-21 · 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{4UDWI53MM47WZVCZL4DYDGV4OM}

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.

Cited by

1 paper in Pith

Lower overhead fault-tolerant building blocks for noisy quantum computers

Receipt and verification

First computed	2026-05-18T03:28:05.673079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e50764776c673f6cd4595f07819abc73128c01d0570a19841de25403f7052be2

Aliases

arxiv: 1209.4696 · arxiv_version: 1209.4696v2 · doi: 10.48550/arxiv.1209.4696 · pith_short_12: 4UDWI53MM47W · pith_short_16: 4UDWI53MM47WZVCZ · pith_short_8: 4UDWI53M

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/4UDWI53MM47WZVCZL4DYDGV4OM \
  | 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: e50764776c673f6cd4595f07819abc73128c01d0570a19841de25403f7052be2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "baeb6cc8a8ddb77ecf585b01bac4d1c8ec3f313aeb064f7ec4b7f7835b7b828d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-09-21T03:33:52Z",
    "title_canon_sha256": "9891e9dd83c1b2b1dd9fda4032099a95e2e8831dc1957e55ddee255c3ea02a8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4696",
    "kind": "arxiv",
    "version": 2
  }
}