Pith Number

pith:2EZK3F42

pith:2002:2EZK3F423SH2XX3YNNSUPTJSDK

not attested not anchored not stored refs pending

Experimental Implementation of the Quantum Baker's Map

David G. Cory, Joseph V. Emerson, Seth Lloyd, Yaakov S. Weinstein

arxiv:quant-ph/0201064 v1 · 2002-01-16 · 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{2EZK3F423SH2XX3YNNSUPTJSDK}

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	2026-07-04T16:35:58.438651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d132ad979adc8fabdf786b6547cd321a981f54f03fc06d3cf51b1220cdf72efe

Aliases

arxiv: quant-ph/0201064 · arxiv_version: quant-ph/0201064v1 · doi: 10.48550/arxiv.quant-ph/0201064 · pith_short_12: 2EZK3F423SH2 · pith_short_16: 2EZK3F423SH2XX3Y · pith_short_8: 2EZK3F42

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/2EZK3F423SH2XX3YNNSUPTJSDK \
  | 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: d132ad979adc8fabdf786b6547cd321a981f54f03fc06d3cf51b1220cdf72efe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c3bc6f38c5ab3b656e31daddde31a5d70a13f2cefe50d1d272ae8492de984b3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-01-16T14:56:41Z",
    "title_canon_sha256": "c1c6033520e1d647519beddf31b562e430c14d1be8de1d337e724ac4bc5b75ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0201064",
    "kind": "arxiv",
    "version": 1
  }
}