Pith Number

pith:2KPAMD3H

pith:2010:2KPAMD3HB6T5QJ2JMDXROPGQFV

not attested not anchored not stored refs pending

Metric operators for non-Hermitian quadratic su(2) Hamiltonians

Paulo E. G. Assis

arxiv:1012.0194 v2 · 2010-12-01 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2KPAMD3HB6T5QJ2JMDXROPGQFV}

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	2026-05-18T04:20:05.483267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d29e060f670fa7d8274960ef173cd02d4ae155030a0a9a93e80e57ac5d9a3a4f

Aliases

arxiv: 1012.0194 · arxiv_version: 1012.0194v2 · doi: 10.48550/arxiv.1012.0194 · pith_short_12: 2KPAMD3HB6T5 · pith_short_16: 2KPAMD3HB6T5QJ2J · pith_short_8: 2KPAMD3H

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/2KPAMD3HB6T5QJ2JMDXROPGQFV \
  | 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: d29e060f670fa7d8274960ef173cd02d4ae155030a0a9a93e80e57ac5d9a3a4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55465c6174f4867f9e33fad5b25317d0c827dcf6b4b3d8139bff415feddb13b3",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-12-01T13:49:31Z",
    "title_canon_sha256": "0784dd3edf2a3919c341b0cdfd9ccb6393bf04728fea0f46bcc92f75e1b27afe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.0194",
    "kind": "arxiv",
    "version": 2
  }
}