Pith Number

pith:A6BTEV6A

pith:2011:A6BTEV6AYPPY4OFAU5NJBJ3YUI

not attested not anchored not stored refs pending

Variational approximations in discrete nonlinear Schr\"odinger equations with next-nearest-neighbor couplings

B.A. Malomed, C. Chong, P.G. Kevrekidis, R. Carretero-Gonz\'alez

arxiv:1102.0296 v1 · 2011-02-01 · 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{A6BTEV6AYPPY4OFAU5NJBJ3YUI}

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	2026-05-18T03:55:57.649574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07833257c0c3df8e38a0a75a90a778a20ef39da07a97c195b06eba54ca2034ed

Aliases

arxiv: 1102.0296 · arxiv_version: 1102.0296v1 · doi: 10.48550/arxiv.1102.0296 · pith_short_12: A6BTEV6AYPPY · pith_short_16: A6BTEV6AYPPY4OFA · pith_short_8: A6BTEV6A

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/A6BTEV6AYPPY4OFAU5NJBJ3YUI \
  | 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: 07833257c0c3df8e38a0a75a90a778a20ef39da07a97c195b06eba54ca2034ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7f61b10482e857b1160415b7fd89f17a3a7505a2902c05b90058df8bf3be8b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2011-02-01T21:17:08Z",
    "title_canon_sha256": "d31a65c8ffcb928e4f4969afed9ec4beb9af12b848dcc3793b2f39992f20ea2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0296",
    "kind": "arxiv",
    "version": 1
  }
}