Pith Number

pith:AIPXBPBH

pith:2018:AIPXBPBHNQGWBM67J6RRGFABRZ

not attested not anchored not stored refs pending

Schr\"{o}dinger-type equations with sign-changing nonlinearities: a survey

Bartosz Bieganowski

arxiv:1810.01754 v1 · 2018-10-01 · 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{AIPXBPBHNQGWBM67J6RRGFABRZ}

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	2026-05-18T00:04:11.084775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

021f70bc276c0d60b3df4fa31314018e691095f5f711928ad003b74197ddf320

Aliases

arxiv: 1810.01754 · arxiv_version: 1810.01754v1 · doi: 10.48550/arxiv.1810.01754 · pith_short_12: AIPXBPBHNQGW · pith_short_16: AIPXBPBHNQGWBM67 · pith_short_8: AIPXBPBH

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/AIPXBPBHNQGWBM67J6RRGFABRZ \
  | 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: 021f70bc276c0d60b3df4fa31314018e691095f5f711928ad003b74197ddf320

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "400d9cbab6b502f17b09284c72b1e695a497d5b2485ae81e648933d446a9e72f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-10-01T18:07:10Z",
    "title_canon_sha256": "d86f9c0308beccb4ba3119cb57d916c181004af042027c88850e77b95e737e41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.01754",
    "kind": "arxiv",
    "version": 1
  }
}