Pith Number

pith:WDUS5TQD

pith:2011:WDUS5TQDMV2QRHKCAKWMT37YDD

not attested not anchored not stored refs pending

Quantum computing in a piece of glass

Christopher Tison, Grigoriy Kreymerman, Jonathan R. McDonald, Paul M. Alsing, Warner A. Miller

arxiv:1112.3489 v1 · 2011-12-15 · 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{WDUS5TQDMV2QRHKCAKWMT37YDD}

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	2026-05-18T01:59:09.402613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0e92ece036575089d4202acc9eff818db77bef0ea0b6d95c3e8d456f1dfa579

Aliases

arxiv: 1112.3489 · arxiv_version: 1112.3489v1 · doi: 10.48550/arxiv.1112.3489 · pith_short_12: WDUS5TQDMV2Q · pith_short_16: WDUS5TQDMV2QRHKC · pith_short_8: WDUS5TQD

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/WDUS5TQDMV2QRHKCAKWMT37YDD \
  | 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: b0e92ece036575089d4202acc9eff818db77bef0ea0b6d95c3e8d456f1dfa579

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "415b779108352948c3b3e665240240b5cfe03f90e07dc03557c16c8d5f815361",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-12-15T11:41:44Z",
    "title_canon_sha256": "db35bb0300a49a0e5911eec5bd85157f2269b3d8f5f5d312a22d9df48113eaf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3489",
    "kind": "arxiv",
    "version": 1
  }
}