pith. sign in
Pith Number

pith:NPG3TKNQ

pith:2009:NPG3TKNQMH34KIKDQMD4IBDNFD
not attested not anchored not stored refs pending

Solitary electromagnetic waves propagation in the asymmetric oppositely-directed coupler

Andrei I. Maimistov, Elena V. Kazantseva, Sergei S. Ozhenko

arxiv:0904.4035 v1 · 2009-04-26 · nlin.PS

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NPG3TKNQMH34KIKDQMD4IBDNFD}

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 2026-05-18T02:13:57.299695Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6bcdb9a9b061f7c521438307c4046d28ff1d7200840b1f3920a0a117029e8ef0

Aliases

arxiv: 0904.4035 · arxiv_version: 0904.4035v1 · doi: 10.48550/arxiv.0904.4035 · pith_short_12: NPG3TKNQMH34 · pith_short_16: NPG3TKNQMH34KIKD · pith_short_8: NPG3TKNQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NPG3TKNQMH34KIKDQMD4IBDNFD \
  | 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: 6bcdb9a9b061f7c521438307c4046d28ff1d7200840b1f3920a0a117029e8ef0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "86286bc8c6abe2bcafa4270d282d39f82c8efcb2f2bec3520fb235b98a56a1a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2009-04-26T15:14:13Z",
    "title_canon_sha256": "847315e0059b93c57c4cd5ee3381446b8e5437baaf86d70d092a3ca3d7dbad5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4035",
    "kind": "arxiv",
    "version": 1
  }
}