Pith Number

pith:L33WPSHA

pith:2008:L33WPSHAS44GC6V3TVI6THW7IM

not attested not anchored not stored refs pending

Geometry of Quasi-Free States of CCR Algebras

Shigeru Yamagami

arxiv:0801.1739 v1 · 2008-01-11 · math-ph · math.MP · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L33WPSHAS44GC6V3TVI6THW7IM}

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	2026-05-18T02:35:23.770602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ef767c8e09738617abb9d51e99edf433753db1f225bdf81fb1ce857af81b173

Aliases

arxiv: 0801.1739 · arxiv_version: 0801.1739v1 · doi: 10.48550/arxiv.0801.1739 · pith_short_12: L33WPSHAS44G · pith_short_16: L33WPSHAS44GC6V3 · pith_short_8: L33WPSHA

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/L33WPSHAS44GC6V3TVI6THW7IM \
  | 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: 5ef767c8e09738617abb9d51e99edf433753db1f225bdf81fb1ce857af81b173

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cf05c781177e2062a420c6236f8a3e1ee8a9389f82328b3cda3fa71e1e4d177",
    "cross_cats_sorted": [
      "math.MP",
      "math.OA"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "2008-01-11T09:29:29Z",
    "title_canon_sha256": "d00284901d03a6e3cae5447ed4882e278942adc8dc671feaa94a5e9bd0990892"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.1739",
    "kind": "arxiv",
    "version": 1
  }
}