Pith Number

pith:4LF7CVQA

pith:2006:4LF7CVQAW7D7AVNPICMOMRSZR4

not attested not anchored not stored refs pending

Minimum uncertainty measurements of angle and angular momentum

J. Rehacek, L. L. Sanchez-Soto, R. Celechovsky, Z. Bouchal, Z. Hradil

arxiv:quant-ph/0605137 v1 · 2006-05-16 · 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{4LF7CVQAW7D7AVNPICMOMRSZR4}

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	2026-07-04T15:13:09.924043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2cbf15600b7c7f055af4098e646598f009db97d145c143670535650a111c1c6

Aliases

arxiv: quant-ph/0605137 · arxiv_version: quant-ph/0605137v1 · doi: 10.48550/arxiv.quant-ph/0605137 · pith_short_12: 4LF7CVQAW7D7 · pith_short_16: 4LF7CVQAW7D7AVNP · pith_short_8: 4LF7CVQA

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/4LF7CVQAW7D7AVNPICMOMRSZR4 \
  | 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: e2cbf15600b7c7f055af4098e646598f009db97d145c143670535650a111c1c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ac21bb6e9b8fd82d26c6b1f7a1ab41ae791653b71668de5c5e6f7199d9ca893",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-05-16T07:07:25Z",
    "title_canon_sha256": "2ca1975b0ad44cdb1905e4503055de00d477e2f6972b328ed98b88ddb1c78b10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0605137",
    "kind": "arxiv",
    "version": 1
  }
}