Pith Number

pith:67DUPL47

pith:2014:67DUPL47BKR5KYHL7YOT6NJRGM

not attested not anchored not stored refs pending

Strong instability of standing waves for nonlinear Schr\"odinger equations with a delta potential

Masahito Ohta, Takahiro Yamaguchi

arxiv:1411.2620 v1 · 2014-11-10 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{67DUPL47BKR5KYHL7YOT6NJRGM}

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	2026-05-18T00:19:36.304768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7c747af9f0aa3d560ebfe1d3f35313309673967022b4372f279a715bb4428e2

Aliases

arxiv: 1411.2620 · arxiv_version: 1411.2620v1 · doi: 10.48550/arxiv.1411.2620 · pith_short_12: 67DUPL47BKR5 · pith_short_16: 67DUPL47BKR5KYHL · pith_short_8: 67DUPL47

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/67DUPL47BKR5KYHL7YOT6NJRGM \
  | 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: f7c747af9f0aa3d560ebfe1d3f35313309673967022b4372f279a715bb4428e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e10588100a27022df2f31c12408499a44db011e2953fbbe0fbd220d72e871c27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-11-10T21:11:25Z",
    "title_canon_sha256": "9c205fcbaab2977490a0a6c970f0f7e3004d8168ce7740f5f0d6137c66d33263"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.2620",
    "kind": "arxiv",
    "version": 1
  }
}