Pith Number

pith:Y2DJBFNQ

pith:2019:Y2DJBFNQTR7VDRJHG7VD3IYYMX

not attested not anchored not stored refs pending

Long-time asymptotics for the integrable nonlocal focusing nonlinear Schr\"odinger equation for a family of step-like initial data

Dmitry Shepelsky, Yan Rybalko

arxiv:1908.06415 v1 · 2019-08-18 · math.AP · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y2DJBFNQTR7VDRJHG7VD3IYYMX}

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	2026-07-05T02:50:37.240029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6869095b09c7f51c52737ea3da31865c8b5f5d4132fb9dd9e3b08637dc93c7b

Aliases

arxiv: 1908.06415 · arxiv_version: 1908.06415v1 · doi: 10.48550/arxiv.1908.06415 · pith_short_12: Y2DJBFNQTR7V · pith_short_16: Y2DJBFNQTR7VDRJH · pith_short_8: Y2DJBFNQ

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/Y2DJBFNQTR7VDRJHG7VD3IYYMX \
  | 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: c6869095b09c7f51c52737ea3da31865c8b5f5d4132fb9dd9e3b08637dc93c7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "342450632b023222fce4dc1679feb62100d9dff0274bc21c6a568685a56ab911",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-08-18T10:03:30Z",
    "title_canon_sha256": "870273455e72a467d386109864128e501f2162f63eeddb933d07cc17849f1a75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06415",
    "kind": "arxiv",
    "version": 1
  }
}