Pith Number

pith:XDKVZWMF

pith:2012:XDKVZWMF7FZDVQY3E5IBV4ZS4Y

not attested not anchored not stored refs pending

Geometrical view of the Mean King Problem

M. Revzen

arxiv:1205.5406 v2 · 2012-05-24 · 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{XDKVZWMF7FZDVQY3E5IBV4ZS4Y}

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	2026-05-18T03:54:59.843454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8d55cd985f9723ac31b27501af332e61c4190d48aac663446121f818435508d

Aliases

arxiv: 1205.5406 · arxiv_version: 1205.5406v2 · doi: 10.48550/arxiv.1205.5406 · pith_short_12: XDKVZWMF7FZD · pith_short_16: XDKVZWMF7FZDVQY3 · pith_short_8: XDKVZWMF

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/XDKVZWMF7FZDVQY3E5IBV4ZS4Y \
  | 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: b8d55cd985f9723ac31b27501af332e61c4190d48aac663446121f818435508d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20060376b9c01d94bfeff1a02ffbe283c24fa64fad678d9a8f965a65a175fb02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-05-24T11:48:30Z",
    "title_canon_sha256": "7d0591378a8db7a1c873f6fd1e470cb7175c5b3796350efcd21395420d43075d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.5406",
    "kind": "arxiv",
    "version": 2
  }
}