Pith Number

pith:Z7HER3S3

pith:2019:Z7HER3S3J3NMESEDBIEEKDZFZV

not attested not anchored not stored refs pending

Error estimates of a Fourier integrator for the cubic Schr\"odinger equation at low regularity

Alexander Ostermann, Fr\'ed\'eric Rousset, Katharina Schratz

arxiv:1902.06779 v1 · 2019-02-18 · 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{Z7HER3S3J3NMESEDBIEEKDZFZV}

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	2026-05-17T23:53:40.812535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfce48ee5b4edac248830a08450f25cd566ae29e469f82b8d2606e6f5663cee7

Aliases

arxiv: 1902.06779 · arxiv_version: 1902.06779v1 · doi: 10.48550/arxiv.1902.06779 · pith_short_12: Z7HER3S3J3NM · pith_short_16: Z7HER3S3J3NMESED · pith_short_8: Z7HER3S3

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/Z7HER3S3J3NMESEDBIEEKDZFZV \
  | 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: cfce48ee5b4edac248830a08450f25cd566ae29e469f82b8d2606e6f5663cee7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf920b15e5c4ae1d40ba251815b02a15604e1bc98264ee8f5e659a7abf5b5ec7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-02-18T20:02:28Z",
    "title_canon_sha256": "e598cd913802b17b25855c174aeb444a26136f6a4362a9a8692b40a88ebaa4cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06779",
    "kind": "arxiv",
    "version": 1
  }
}