Pith Number

pith:PU22DVBY

pith:2008:PU22DVBYGA22ACVYCDTDQNRLFC

not attested not anchored not stored refs pending

A unified approach to split absorbing boundary conditions for nonlinear Schr\"{o}dinger equations

Jiwei Zhang, Xiaonan Wu, Zhenli Xu

arxiv:0806.1854 v1 · 2008-06-11 · math.NA · cs.NA · 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{PU22DVBYGA22ACVYCDTDQNRLFC}

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	2026-06-03T22:06:06.748585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d35a1d4383035a00ab810e638362b289b2274aaa17681dea3fdf1896f0786c4

Aliases

arxiv: 0806.1854 · arxiv_version: 0806.1854v1 · doi: 10.48550/arxiv.0806.1854 · pith_short_12: PU22DVBYGA22 · pith_short_16: PU22DVBYGA22ACVY · pith_short_8: PU22DVBY

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/PU22DVBYGA22ACVYCDTDQNRLFC \
  | 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: 7d35a1d4383035a00ab810e638362b289b2274aaa17681dea3fdf1896f0786c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9aa567b2604a0fe876fc5286e82c5f5a41c5fa66131a3e53462651fa015b4802",
    "cross_cats_sorted": [
      "cs.NA",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2008-06-11T14:06:44Z",
    "title_canon_sha256": "2ef3d8d2f09958a09879cad34206f7737fb6ca387841acf07728bdfcb7ab91c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.1854",
    "kind": "arxiv",
    "version": 1
  }
}