Pith Number

pith:KPYZOFXN

pith:2009:KPYZOFXN535LI7DVDFHW6D33V6

not attested not anchored not stored refs pending

Position and momentum tomography

Jukka Kiukas, Jussi Schultz, Pekka Lahti

arxiv:0902.3890 v1 · 2009-02-23 · 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{KPYZOFXN535LI7DVDFHW6D33V6}

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	2026-05-18T03:24:42.384173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53f19716edeefab47c75194f6f0f7bafba190f622a6c351f1884876431057e00

Aliases

arxiv: 0902.3890 · arxiv_version: 0902.3890v1 · doi: 10.48550/arxiv.0902.3890 · pith_short_12: KPYZOFXN535L · pith_short_16: KPYZOFXN535LI7DV · pith_short_8: KPYZOFXN

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/KPYZOFXN535LI7DVDFHW6D33V6 \
  | 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: 53f19716edeefab47c75194f6f0f7bafba190f622a6c351f1884876431057e00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "713e188ca17edd48c6f1ead6f12cdd83e2000c7d4f1dc7d16691c744e3540d93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-02-23T11:14:26Z",
    "title_canon_sha256": "24908cf0009e3b155bde75ef4dd94f93dc3ffe24344698ac73b3f94cf384624b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.3890",
    "kind": "arxiv",
    "version": 1
  }
}