pith. sign in
Pith Number

pith:FVGGLLB7

pith:2012:FVGGLLB7IFARQSUUKHJ2BQJGWI
not attested not anchored not stored refs pending

Effective transport barriers in nontwist systems

I. L. Caldas, J. D. Szezech Jr, P. J. Morrison, R. L. Viana, S. R. Lopes

arxiv:1201.3549 v1 · 2012-01-17 · nlin.CD

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FVGGLLB7IFARQSUUKHJ2BQJGWI}

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 2026-05-18T01:58:48.076727Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2d4c65ac3f4141184a9451d3a0c126b214c8a287980bc7587a9fb2c2d4d770fd

Aliases

arxiv: 1201.3549 · arxiv_version: 1201.3549v1 · doi: 10.48550/arxiv.1201.3549 · pith_short_12: FVGGLLB7IFAR · pith_short_16: FVGGLLB7IFARQSUU · pith_short_8: FVGGLLB7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FVGGLLB7IFARQSUUKHJ2BQJGWI \
  | 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: 2d4c65ac3f4141184a9451d3a0c126b214c8a287980bc7587a9fb2c2d4d770fd
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ab685f04c87ccb2a4ac83bfb254f347fd8b3a8b0202c339b674738e1fd18c887",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2012-01-17T16:28:46Z",
    "title_canon_sha256": "d299982e1927022f3c5dfb6841246d03f8021502bdd69375c229a7e7cd4fe831"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3549",
    "kind": "arxiv",
    "version": 1
  }
}