Pith Number

pith:2LCMBIR2

pith:2018:2LCMBIR2PVXQUJY4Z3IK7O7I5I

not attested not anchored not stored refs pending

Error estimates of a regularized finite difference method for the logarithmic Schr\"odinger equation

Chunmei Su, Qinglin Tang, Remi Carles, Weizhu Bao

arxiv:1803.10068 v1 · 2018-03-27 · math.NA · cs.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{2LCMBIR2PVXQUJY4Z3IK7O7I5I}

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	2026-06-04T19:11:44.287223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2c4c0a23a7d6f0a271cced0afbbe8ea323fca16bcccae2c0e25219d3150ee83

Aliases

arxiv: 1803.10068 · arxiv_version: 1803.10068v1 · doi: 10.48550/arxiv.1803.10068 · pith_short_12: 2LCMBIR2PVXQ · pith_short_16: 2LCMBIR2PVXQUJY4 · pith_short_8: 2LCMBIR2

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/2LCMBIR2PVXQUJY4Z3IK7O7I5I \
  | 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: d2c4c0a23a7d6f0a271cced0afbbe8ea323fca16bcccae2c0e25219d3150ee83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c61698e8c33c60223a450339b7afb13affedb9b9e60b93e098a352e76a4ec0e6",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-27T13:32:03Z",
    "title_canon_sha256": "db16e60c24b9c401acfe55402782d578e00c6e1365e7e79e0eab7afdd825e6db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10068",
    "kind": "arxiv",
    "version": 1
  }
}