Pith Number

pith:HU6JRNTM

pith:2017:HU6JRNTMVQH4664NQFNR3FWGXG

not attested not anchored not stored refs pending

Approximating the nonlinear Schr\"odinger equation by a two level linearly implicit finite element method

Christoffer Standar, Mohammad Asadzadeh

arxiv:1711.00277 v1 · 2017-11-01 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HU6JRNTMVQH4664NQFNR3FWGXG}

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	2026-05-18T00:31:34.559745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d3c98b66cac0fcf7b8d815b1d96c6b9aff4d3746de0a1b08c711712df809668

Aliases

arxiv: 1711.00277 · arxiv_version: 1711.00277v1 · doi: 10.48550/arxiv.1711.00277 · pith_short_12: HU6JRNTMVQH4 · pith_short_16: HU6JRNTMVQH4664N · pith_short_8: HU6JRNTM

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/HU6JRNTMVQH4664NQFNR3FWGXG \
  | 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: 3d3c98b66cac0fcf7b8d815b1d96c6b9aff4d3746de0a1b08c711712df809668

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ea8d0244b3c6911f723cf3bd0a7dd2453fff45cfe181a05bdda2d0d1b35abe2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-11-01T10:34:51Z",
    "title_canon_sha256": "caac30c01af27b73f3f9582b01efeb77c858e77432da4dddee8667c450857bc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.00277",
    "kind": "arxiv",
    "version": 1
  }
}