Pith Number

pith:2AP6S4XG

pith:2003:2AP6S4XGZRSZKV6ZB5HR5C4IJU

not attested not anchored not stored refs pending

Universal quantum interfaces

Andrew J. Landahl, Jean-Jacques E. Slotine, Seth Lloyd

arxiv:quant-ph/0303048 v2 · 2003-03-10 · 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{2AP6S4XGZRSZKV6ZB5HR5C4IJU}

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	2026-07-04T14:46:08.221978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d01fe972e6cc659557d90f4f1e8b884d2ee28800675a41ad975831a1d35ea0ae

Aliases

arxiv: quant-ph/0303048 · arxiv_version: quant-ph/0303048v2 · doi: 10.48550/arxiv.quant-ph/0303048 · pith_short_12: 2AP6S4XGZRSZ · pith_short_16: 2AP6S4XGZRSZKV6Z · pith_short_8: 2AP6S4XG

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/2AP6S4XGZRSZKV6ZB5HR5C4IJU \
  | 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: d01fe972e6cc659557d90f4f1e8b884d2ee28800675a41ad975831a1d35ea0ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "668791d81b2147b4456570899c2c2afd5a5f1b45578480885d67e71a2305af6f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-03-10T14:29:28Z",
    "title_canon_sha256": "1a355e0aa9ca53578ecf557781e087a8ee737394216febed068e0dcf46cb94c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0303048",
    "kind": "arxiv",
    "version": 2
  }
}