Pith Number

pith:DP447ATO

pith:2011:DP447ATOR3ALYKMSNZIB67WB5I

not attested not anchored not stored refs pending

Non-hermitian Hamiltonians and Painlev\'e IV equation with real parameters

David Bermudez, David J. Fernandez C

arxiv:1104.3599 v2 · 2011-04-18 · math-ph · hep-th · math.MP · 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{DP447ATOR3ALYKMSNZIB67WB5I}

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	2026-05-18T04:17:24.756989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bf9cf826e8ec0bc29926e501f7ec1ea068271c6704ad975714bb63e9b2b54bb

Aliases

arxiv: 1104.3599 · arxiv_version: 1104.3599v2 · doi: 10.48550/arxiv.1104.3599 · pith_short_12: DP447ATOR3AL · pith_short_16: DP447ATOR3ALYKMS · pith_short_8: DP447ATO

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/DP447ATOR3ALYKMSNZIB67WB5I \
  | 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: 1bf9cf826e8ec0bc29926e501f7ec1ea068271c6704ad975714bb63e9b2b54bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d16ea926c7c615962a4e240ab195feb6bcf5804bbc3bd925b1b8ef1c9e8845f7",
    "cross_cats_sorted": [
      "hep-th",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2011-04-18T22:19:23Z",
    "title_canon_sha256": "5ff5bf38df7d7874d383646c3b27ef7669adc602ebbd1b6b04cee069cc1c0fdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3599",
    "kind": "arxiv",
    "version": 2
  }
}