Pith Number

pith:TVNWSDF3

pith:2003:TVNWSDF36334MNLUCKWOG7GRT3

not attested not anchored not stored refs pending

How to reuse a one-time pad and other notes on authentication, encryption and protection of quantum information

Jonathan Oppenheim, Michal Horodecki

arxiv:quant-ph/0306161 v3 · 2003-06-23 · quant-ph · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TVNWSDF36334MNLUCKWOG7GRT3}

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	2026-07-04T16:42:32.491494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d5b690cbbf6f7c6357412ace37cd19edae4dbab6ec78aaf74a3209d0aac71b9

Aliases

arxiv: quant-ph/0306161 · arxiv_version: quant-ph/0306161v3 · doi: 10.48550/arxiv.quant-ph/0306161 · pith_short_12: TVNWSDF36334 · pith_short_16: TVNWSDF36334MNLU · pith_short_8: TVNWSDF3

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/TVNWSDF36334MNLUCKWOG7GRT3 \
  | 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: 9d5b690cbbf6f7c6357412ace37cd19edae4dbab6ec78aaf74a3209d0aac71b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13e3b594f45eebcb87b2207d69ba2e3edccfe6f62238a46f2acaa05d3112a57b",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-06-23T23:32:54Z",
    "title_canon_sha256": "238e980bf818043394485a9fc28877719d3c3e0ad511b3fc9cf190123005dc0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0306161",
    "kind": "arxiv",
    "version": 3
  }
}