Pith Number

pith:66DOSIUO

pith:2008:66DOSIUO4NDHOPVRI3UT6W7PFE

not attested not anchored not stored refs pending

Are random pure states useful for quantum computation?

Andreas Winter, Caterina Mora, Michael J. Bremner

arxiv:0812.3001 v1 · 2008-12-16 · 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{66DOSIUO4NDHOPVRI3UT6W7PFE}

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	2026-05-18T04:39:00.276514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f786e9228ee346773eb146e93f5bef2929a585a0eb3b07152a8ac468754f0f4c

Aliases

arxiv: 0812.3001 · arxiv_version: 0812.3001v1 · doi: 10.48550/arxiv.0812.3001 · pith_short_12: 66DOSIUO4NDH · pith_short_16: 66DOSIUO4NDHOPVR · pith_short_8: 66DOSIUO

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/66DOSIUO4NDHOPVRI3UT6W7PFE \
  | 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: f786e9228ee346773eb146e93f5bef2929a585a0eb3b07152a8ac468754f0f4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d27b5947a964bfc2f17d959cd2ed55797fc13007c15d5246c86159b1f50139ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-12-16T08:43:22Z",
    "title_canon_sha256": "9cc1ea162da017a82481b2d82e8e929af1d0099f7f7928647bfaa6040685aac4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.3001",
    "kind": "arxiv",
    "version": 1
  }
}