pith. sign in
Pith Number

pith:BSZR7OKQ

pith:2011:BSZR7OKQV455DNRC354Q5OYZRA
not attested not anchored not stored refs pending

Determination of the Schmidt number

J. Sperling, W. Vogel

arxiv:1103.1287 v1 · 2011-03-07 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BSZR7OKQV455DNRC354Q5OYZRA}

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 2026-05-18T04:24:34.959466Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0cb31fb950af3bd1b622df790ebb198821a93f152c5ec280dc38f5ff40ac862b

Aliases

arxiv: 1103.1287 · arxiv_version: 1103.1287v1 · doi: 10.48550/arxiv.1103.1287 · pith_short_12: BSZR7OKQV455 · pith_short_16: BSZR7OKQV455DNRC · pith_short_8: BSZR7OKQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BSZR7OKQV455DNRC354Q5OYZRA \
  | 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: 0cb31fb950af3bd1b622df790ebb198821a93f152c5ec280dc38f5ff40ac862b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b6e9c8dfbc7ac8608027687750eda788771dde78160d040fade678d7b1074f09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-03-07T15:02:51Z",
    "title_canon_sha256": "0b18bfb4a562060a2b89c6a8ab2f94831343ff8f03fe1da23e38ad355a6dc3b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1287",
    "kind": "arxiv",
    "version": 1
  }
}