Pith Number

pith:WDKRLMER

pith:2021:WDKRLMERJ7AHPV3ALBZUGBRQIE

not attested not anchored not stored refs pending

Computability of magnetic Schr\"odinger and Hartree equations on unbounded domains

Euan Tebbutt, Jonathan Sewell, Simon Becker

arxiv:2101.02186 v2 · 2021-01-06 · math.NA · cs.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WDKRLMERJ7AHPV3ALBZUGBRQIE}

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	2026-07-05T02:09:55.949972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0d515b0914fc077d7605873430630413824a24dce4cc2c51121adbf7c9dab27

Aliases

arxiv: 2101.02186 · arxiv_version: 2101.02186v2 · doi: 10.48550/arxiv.2101.02186 · pith_short_12: WDKRLMERJ7AH · pith_short_16: WDKRLMERJ7AHPV3A · pith_short_8: WDKRLMER

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/WDKRLMERJ7AHPV3ALBZUGBRQIE \
  | 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: b0d515b0914fc077d7605873430630413824a24dce4cc2c51121adbf7c9dab27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "467c71fbeaf7c0db42418ed3c8839d1ff1907bf8f007bba3baffb5d02e98cb9f",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-01-06T18:47:11Z",
    "title_canon_sha256": "503c92ea250d139bee4e470f0466a0e5ee6f5351ec3573523c94fee09319e2c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.02186",
    "kind": "arxiv",
    "version": 2
  }
}