Pith Number

pith:VTX5UKVB

pith:2015:VTX5UKVBEI4V5XPK4O6MTFM6BZ

not attested not anchored not stored refs pending

A Closed-Form Shave from Occam's Quantum Razor: Exact Results for Quantum Compression

Cina Aghamohammadi, James P. Crutchfield, John R. Mahoney, Paul M. Riechers

arxiv:1510.08186 v1 · 2015-10-28 · quant-ph · cond-mat.stat-mech · cs.IT · math.DS · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VTX5UKVBEI4V5XPK4O6MTFM6BZ}

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	2026-05-18T01:14:02.773572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acefda2aa122395eddeae3bcc9959e0e44417d37153668c9a2ce7997b9d06f67

Aliases

arxiv: 1510.08186 · arxiv_version: 1510.08186v1 · doi: 10.48550/arxiv.1510.08186 · pith_short_12: VTX5UKVBEI4V · pith_short_16: VTX5UKVBEI4V5XPK · pith_short_8: VTX5UKVB

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/VTX5UKVBEI4V5XPK4O6MTFM6BZ \
  | 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: acefda2aa122395eddeae3bcc9959e0e44417d37153668c9a2ce7997b9d06f67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d4ca3ed2767560cd210a9bd03cb6238dd156518afe6ebf0a0c75e5d14d43845",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "cs.IT",
      "math.DS",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-10-28T04:05:44Z",
    "title_canon_sha256": "9624076fc172bc7e64d5c44dd5edeb20c69290acc964f18f6ed0d359f2d6d250"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08186",
    "kind": "arxiv",
    "version": 1
  }
}