Pith Number

pith:WOFJKPRL

pith:2008:WOFJKPRLDWN6EMB7YIIPT6NJDB

not attested not anchored not stored refs pending

PT Symmetry of the non-Hermitian XX Spin-Chain: Non-local Bulk Interaction from Complex Boundary Fields

Christian Korff

arxiv:0803.4500 v1 · 2008-03-31 · math-ph · hep-th · 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{WOFJKPRLDWN6EMB7YIIPT6NJDB}

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	2026-05-18T03:50:37.952717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b38a953e2b1d9be2303fc210f9f9a918441e1a597e353639f3a9832611613835

Aliases

arxiv: 0803.4500 · arxiv_version: 0803.4500v1 · doi: 10.48550/arxiv.0803.4500 · pith_short_12: WOFJKPRLDWN6 · pith_short_16: WOFJKPRLDWN6EMB7 · pith_short_8: WOFJKPRL

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/WOFJKPRLDWN6EMB7YIIPT6NJDB \
  | 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: b38a953e2b1d9be2303fc210f9f9a918441e1a597e353639f3a9832611613835

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1de7fe5770d254df603e16ba5c97fe3dce0756563f8a650fd7351073e3173198",
    "cross_cats_sorted": [
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2008-03-31T16:56:46Z",
    "title_canon_sha256": "e96dba049e50f97b1cbaf1fe81597b6f2d53a19a87a9eec2f7c236cfb403f773"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.4500",
    "kind": "arxiv",
    "version": 1
  }
}