Pith Number

pith:YOIMQCSI

pith:2015:YOIMQCSIVY54FYLXSVH6RSD6JM

not attested not anchored not stored refs pending

Parametric instability of non-Hermitian systems near the exceptional point

Alexander A. Pukhov, Alexander A. Zyablovsky, Evgeny S. Andrianov

arxiv:1504.01687 v1 · 2015-04-07 · 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{YOIMQCSIVY54FYLXSVH6RSD6JM}

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	2026-05-18T00:54:14.054786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c390c80a48ae3bc2e177954fe8c87e4b06f125c3626222bb0e09ad9de80efdfb

Aliases

arxiv: 1504.01687 · arxiv_version: 1504.01687v1 · doi: 10.48550/arxiv.1504.01687 · pith_short_12: YOIMQCSIVY54 · pith_short_16: YOIMQCSIVY54FYLX · pith_short_8: YOIMQCSI

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/YOIMQCSIVY54FYLXSVH6RSD6JM \
  | 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: c390c80a48ae3bc2e177954fe8c87e4b06f125c3626222bb0e09ad9de80efdfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "231e4156026684db1940a41544937a4eef343d43fe43dc779669a3139825eda7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-07T17:58:16Z",
    "title_canon_sha256": "50248c2f01ec9f7ca9fbfd73909ce4cd6b6b705ab1f892f49ecb04ea52efc71d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01687",
    "kind": "arxiv",
    "version": 1
  }
}