Pith Number

pith:BQKV2SPH

pith:2016:BQKV2SPH6CQ7SQFZP5FQ3HO5XD

not attested not anchored not stored refs pending

On the construction of pseudo-Hermitian Hamiltonians by means of similarity transformations

Francisco M. Fern\'andez

arxiv:1604.05767 v1 · 2016-04-19 · 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{BQKV2SPH6CQ7SQFZP5FQ3HO5XD}

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	2026-05-18T01:16:37.228595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c155d49e7f0a1f940b97f4b0d9dddb8d9512e83cae0fd391eeda6a6afcf09d4

Aliases

arxiv: 1604.05767 · arxiv_version: 1604.05767v1 · doi: 10.48550/arxiv.1604.05767 · pith_short_12: BQKV2SPH6CQ7 · pith_short_16: BQKV2SPH6CQ7SQFZ · pith_short_8: BQKV2SPH

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/BQKV2SPH6CQ7SQFZP5FQ3HO5XD \
  | 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: 0c155d49e7f0a1f940b97f4b0d9dddb8d9512e83cae0fd391eeda6a6afcf09d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ebd78d7ffddc2af974f60a6f0f2c77530191231bcd8444c41bfa738fb9519ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-04-19T22:24:35Z",
    "title_canon_sha256": "ee2ce4ad35a3549e978a785c8fbb03a0eed804be68427bc750daa15698a4ce6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05767",
    "kind": "arxiv",
    "version": 1
  }
}