Pith Number

pith:H6LYL56Q

pith:2009:H6LYL56QORCQNR5G4SCCODUJBW

not attested not anchored not stored refs pending

Multiscale reduction of discrete nonlinear Schroedinger equations

C. Scimiterna, D. Levi, M. Petrera

arxiv:0903.3418 v1 · 2009-03-19 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H6LYL56QORCQNR5G4SCCODUJBW}

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	2026-05-18T02:14:27.189451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f9785f7d0744506c7a6e484270e890dba5d5865c496c823ca61b86af021ae1f

Aliases

arxiv: 0903.3418 · arxiv_version: 0903.3418v1 · doi: 10.48550/arxiv.0903.3418 · pith_short_12: H6LYL56QORCQ · pith_short_16: H6LYL56QORCQNR5G · pith_short_8: H6LYL56Q

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/H6LYL56QORCQNR5G4SCCODUJBW \
  | 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: 3f9785f7d0744506c7a6e484270e890dba5d5865c496c823ca61b86af021ae1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ebca792ff5f8a8bd3c0ea33e2638752aaebb9b179742c28d9f4ef207ccb0657",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-03-19T20:38:24Z",
    "title_canon_sha256": "dd7d93e1f0a9366c80502e3ec2ad749f08d7ae91aa1b6f6645238e6cf30f094f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.3418",
    "kind": "arxiv",
    "version": 1
  }
}