Pith Number

pith:NQOGHIMS

pith:2010:NQOGHIMSVZPSRFKIFFFQIDCZ2D

not attested not anchored not stored refs pending

Spectral singularities for Non-Hermitian one-dimensional Hamiltonians: puzzles with resolution of identity

A.A. Andrianov, A.V. Sokolov, F. Cannata

arxiv:1002.0742 v2 · 2010-02-03 · math-ph · hep-ph · hep-th · math.MP · nucl-th · quant-ph

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

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	2026-05-18T03:18:06.615005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c1c63a192ae5f289548294b040c59d0eeec2fc0796115a566303fe91250d5c1

Aliases

arxiv: 1002.0742 · arxiv_version: 1002.0742v2 · doi: 10.48550/arxiv.1002.0742 · pith_short_12: NQOGHIMSVZPS · pith_short_16: NQOGHIMSVZPSRFKI · pith_short_8: NQOGHIMS

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/NQOGHIMSVZPSRFKIFFFQIDCZ2D \
  | 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: 6c1c63a192ae5f289548294b040c59d0eeec2fc0796115a566303fe91250d5c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a956eb2a280af876ad088a429f91cace71e24b22c4fd1685995b0fcd6730682",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th",
      "math.MP",
      "nucl-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2010-02-03T14:20:36Z",
    "title_canon_sha256": "8dc46d41897d5992cea810624559a0da48f7c32676fff7603894455cfee0d98b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0742",
    "kind": "arxiv",
    "version": 2
  }
}