pith. sign in
Pith Number

pith:CZ2E7LUQ

pith:2018:CZ2E7LUQV5TCMYSDVATNC6MSMM
not attested not anchored not stored refs pending

Optical vortex trapping and annihilation by means of nonlinear Bessel beams in nonlinearly absorbing media

Francisco Ramos, Jos\'e L. Garc\'ia Riquelme, Miguel A. Porras

arxiv:1807.08187 v1 · 2018-07-21 · physics.optics · nlin.PS

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CZ2E7LUQV5TCMYSDVATNC6MSMM}

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 2026-05-17T23:59:14.917980Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

16744fae90af66266243a826d1799263369f5a07ad45ed56353ec809646d3d96

Aliases

arxiv: 1807.08187 · arxiv_version: 1807.08187v1 · doi: 10.48550/arxiv.1807.08187 · pith_short_12: CZ2E7LUQV5TC · pith_short_16: CZ2E7LUQV5TCMYSD · pith_short_8: CZ2E7LUQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CZ2E7LUQV5TCMYSDVATNC6MSMM \
  | 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: 16744fae90af66266243a826d1799263369f5a07ad45ed56353ec809646d3d96
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6a19c1b5ca63a89ae49a7e36834d9daa7a8945cf1a01dd9faff4a6c63ad8ac75",
    "cross_cats_sorted": [
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-07-21T18:11:05Z",
    "title_canon_sha256": "5eb93080db11e4b2b6a919f77c2bb3c4cf2bbc0d279a4734304b2d8b65f3b322"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08187",
    "kind": "arxiv",
    "version": 1
  }
}