Pith Number

pith:IRR76TTH

pith:2002:IRR76TTHJLMOPQMWNNNCGVJM35

not attested not anchored not stored refs pending

Isospectral partners for a complex PT-invariant potential

Anjana Sinha, Rajkumar Roychoudhury

arxiv:quant-ph/0205124 v1 · 2002-05-20 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IRR76TTHJLMOPQMWNNNCGVJM35}

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	2026-05-18T01:38:01.874414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4463ff4e674ad8e7c1966b5a23552cdf4c642ffe800c3394560d0ba0808d0335

Aliases

arxiv: quant-ph/0205124 · arxiv_version: quant-ph/0205124v1 · doi: 10.48550/arxiv.quant-ph/0205124 · pith_short_12: IRR76TTHJLMO · pith_short_16: IRR76TTHJLMOPQMW · pith_short_8: IRR76TTH

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/IRR76TTHJLMOPQMWNNNCGVJM35 \
  | 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: 4463ff4e674ad8e7c1966b5a23552cdf4c642ffe800c3394560d0ba0808d0335

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac1f5dfa90d9f32d4aeb8643d39b41658cf36890ef0c02967a8b9f934557c6e4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-05-20T10:41:12Z",
    "title_canon_sha256": "e8c19aca0c70e810c2fb61d9557464e8af30b62a21a2ac31e0e6debbf62cee40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0205124",
    "kind": "arxiv",
    "version": 1
  }
}