Pith Number

pith:OQBAKCLN

pith:2016:OQBAKCLNWVGZHQZ75DWUUNKPXT

not attested not anchored not stored refs pending

A PT-symmetric dual-core system with the sine-Gordon nonlinearity and derivative coupling

B.A. Malomed, J. Cuevas-Maraver, P.G. Kevrekidis

arxiv:1601.07321 v2 · 2016-01-27 · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OQBAKCLNWVGZHQZ75DWUUNKPXT}

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	2026-05-18T01:13:37.750037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

740205096db54d93c33fe8ed4a354fbcf4591cb4f1bb8e212eba5995617ac0f4

Aliases

arxiv: 1601.07321 · arxiv_version: 1601.07321v2 · doi: 10.48550/arxiv.1601.07321 · pith_short_12: OQBAKCLNWVGZ · pith_short_16: OQBAKCLNWVGZHQZ7 · pith_short_8: OQBAKCLN

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/OQBAKCLNWVGZHQZ75DWUUNKPXT \
  | 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: 740205096db54d93c33fe8ed4a354fbcf4591cb4f1bb8e212eba5995617ac0f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2af23d90558568080339be8cbad6be9357f0c95949c5dd54916ebe4c60b8ca4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2016-01-27T10:39:27Z",
    "title_canon_sha256": "9ec418d2c6022aa911e6fc627267f141dde8540da07e6b941e07fe3513e24da3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07321",
    "kind": "arxiv",
    "version": 2
  }
}