Pith Number

pith:KVC5AUEZ

pith:2004:KVC5AUEZDVIFQQRBIBVIVH23FG

not attested not anchored not stored refs pending

Solving the quantum non-linear Schrodinger equation with delta-type impurity

E. Ragoucy, M. Mintchev, V. Caudrelier

arxiv:math-ph/0404047 v2 · 2004-04-20 · math-ph · hep-th · math.MP · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KVC5AUEZDVIFQQRBIBVIVH23FG}

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	2026-05-18T01:38:33.486168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5545d050991d50584221406a8a9f5b2990d8c7960c764e3d37dcc3bcd0338532

Aliases

arxiv: math-ph/0404047 · arxiv_version: math-ph/0404047v2 · doi: 10.48550/arxiv.math-ph/0404047 · pith_short_12: KVC5AUEZDVIF · pith_short_16: KVC5AUEZDVIFQQRB · pith_short_8: KVC5AUEZ

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/KVC5AUEZDVIFQQRBIBVIVH23FG \
  | 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: 5545d050991d50584221406a8a9f5b2990d8c7960c764e3d37dcc3bcd0338532

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59fd8c23e5b4d657f013dcf331ba07f8e6284f2a6a2f99f345a08efd4a57fa2d",
    "cross_cats_sorted": [
      "hep-th",
      "math.MP",
      "math.QA"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "2004-04-20T13:03:25Z",
    "title_canon_sha256": "151bfe8866c59c64f8135356de96fd6cc28dfff2284e4c34f5bd398f3d2b4294"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math-ph/0404047",
    "kind": "arxiv",
    "version": 2
  }
}