Pith Number

pith:AQWU6K22

pith:2026:AQWU6K227LHMXCLQNPE2SIU4UC

not attested not anchored not stored refs pending

Measurement Symmetry and Heisenberg Geometry: Embedding Classical Test Theory in a Noncommutative Representation

William R. Nugent

arxiv:2607.16440 v1 · 2026-07-17 · stat.OT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AQWU6K227LHMXCLQNPE2SIU4UC}

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	2026-07-21T00:20:18.735380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

042d4f2b5afacecb89706bc9a9229ca0a3628cd4c583228271b2ae6a3803c8aa

Aliases

arxiv: 2607.16440 · arxiv_version: 2607.16440v1 · doi: 10.48550/arxiv.2607.16440 · pith_short_12: AQWU6K227LHM · pith_short_16: AQWU6K227LHMXCLQ · pith_short_8: AQWU6K22

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/AQWU6K227LHMXCLQNPE2SIU4UC \
  | 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: 042d4f2b5afacecb89706bc9a9229ca0a3628cd4c583228271b2ae6a3803c8aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fd39f6e0105efa7793b4c6237ae7c9aa4ed9120f8d446b83aeb68072ca66043",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.OT",
    "submitted_at": "2026-07-17T18:36:59Z",
    "title_canon_sha256": "358e63f8ad64f56b49a040ba165d5437ed1ba6a79af3e3f92bf0108ab91fb934"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.16440",
    "kind": "arxiv",
    "version": 1
  }
}