Pith Number

pith:4RVL3JY4

pith:2015:4RVL3JY4YNRC5VTP5S7NIYXRUZ

not attested not anchored not stored refs pending

A global Riemann-Hilbert problem for two-dimensional inverse scattering at fixed energy

Boris R. Vainberg, Evgeny L. Lakshtanov, Roman G. Novikov

arxiv:1509.06495 v1 · 2015-09-22 · 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{4RVL3JY4YNRC5VTP5S7NIYXRUZ}

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	2026-05-18T00:54:52.997668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e46abda71cc3622ed66fecbed462f1a6662d5cca93bae83fb54725c73e4b82aa

Aliases

arxiv: 1509.06495 · arxiv_version: 1509.06495v1 · doi: 10.48550/arxiv.1509.06495 · pith_short_12: 4RVL3JY4YNRC · pith_short_16: 4RVL3JY4YNRC5VTP · pith_short_8: 4RVL3JY4

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/4RVL3JY4YNRC5VTP5S7NIYXRUZ \
  | 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: e46abda71cc3622ed66fecbed462f1a6662d5cca93bae83fb54725c73e4b82aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b2ceecc30baced994c97d97b11fc74348ed1bbd2598591e3a6bd2ed648ab3fd",
    "cross_cats_sorted": [
      "math.AP",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-09-22T08:17:21Z",
    "title_canon_sha256": "3f75b07d74b11f592a5373e1a33c89a8b3403b0c6d0e0fa68f288f472e0e3deb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06495",
    "kind": "arxiv",
    "version": 1
  }
}