Pith Number

pith:YGFGJERB

pith:2018:YGFGJERBDJWGKALAE3MWKSDRW4

not attested not anchored not stored refs pending

Global solution of the initial value problem for the focusing Davey-Stewartson II system

Boris Vainberg, Evgeny Lakshtanov

arxiv:1803.00955 v2 · 2018-03-02 · math-ph · math.AP · math.MP · 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{YGFGJERBDJWGKALAE3MWKSDRW4}

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	2026-05-17T23:49:53.001821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c18a6492211a6c65016026d9654871b7164aa1085f5b560e5a353156aab39aa3

Aliases

arxiv: 1803.00955 · arxiv_version: 1803.00955v2 · doi: 10.48550/arxiv.1803.00955 · pith_short_12: YGFGJERBDJWG · pith_short_16: YGFGJERBDJWGKALA · pith_short_8: YGFGJERB

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/YGFGJERBDJWGKALAE3MWKSDRW4 \
  | 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: c18a6492211a6c65016026d9654871b7164aa1085f5b560e5a353156aab39aa3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18b4e1e4625597e856e19ee022374ac4ec25c4f53534d1df28c5b263c7d0543e",
    "cross_cats_sorted": [
      "math.AP",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-03-02T17:19:03Z",
    "title_canon_sha256": "d1cc5805bbe1d558b696b303f73ec83731320928350dc140d7b45b08eaddbe7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00955",
    "kind": "arxiv",
    "version": 2
  }
}