Pith Number

pith:PDCG7ZCM

pith:2014:PDCG7ZCMDWZ426NKH42QXF63WJ

not attested not anchored not stored refs pending

Model Order Reduction for Nonlinear Schr\"odinger Equation

B\"ulent Karas\"ozen, Canan Akkoyunlu, Murat Uzunca

arxiv:1409.3995 v1 · 2014-09-13 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PDCG7ZCMDWZ426NKH42QXF63WJ}

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	2026-05-18T01:26:03.062991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78c46fe44c1db3cd79aa3f350b97dbb2797e6ee3e5cf56fc703bf0eb41ed1d81

Aliases

arxiv: 1409.3995 · arxiv_version: 1409.3995v1 · doi: 10.48550/arxiv.1409.3995 · pith_short_12: PDCG7ZCMDWZ4 · pith_short_16: PDCG7ZCMDWZ426NK · pith_short_8: PDCG7ZCM

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/PDCG7ZCMDWZ426NKH42QXF63WJ \
  | 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: 78c46fe44c1db3cd79aa3f350b97dbb2797e6ee3e5cf56fc703bf0eb41ed1d81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6d72c42aeae79d9cd554932344d4e1f583b72fd4f93356d89cf5f490ce9f11b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-09-13T21:57:26Z",
    "title_canon_sha256": "440b3634fcee45646c3ce6a475ea6098e72a387b12e8db9ccd681c16873a8501"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.3995",
    "kind": "arxiv",
    "version": 1
  }
}