Pith Number

pith:MBFSYTDD

pith:2021:MBFSYTDD6F7RT4WUY3QWSRKEGQ

not attested not anchored not stored refs pending

Semi-Implicit Neural Solver for Time-dependent Partial Differential Equations

Abinav R., Bjoern H. Menze, Florian Kofler, Ivan Ezhov, Jana Lipkova, Johannes C. Paetzold, Leon M\"achler, Marie Piraud, Suprosanna Shit

arxiv:2109.01467 v1 · 2021-09-03 · math.NA · cs.LG · 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{MBFSYTDD6F7RT4WUY3QWSRKEGQ}

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	2026-07-05T03:11:18.854436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

604b2c4c63f17f19f2d4c6e1694544340cf31ecace33cb95eb4de55ab735f7e4

Aliases

arxiv: 2109.01467 · arxiv_version: 2109.01467v1 · doi: 10.48550/arxiv.2109.01467 · pith_short_12: MBFSYTDD6F7R · pith_short_16: MBFSYTDD6F7RT4WU · pith_short_8: MBFSYTDD

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/MBFSYTDD6F7RT4WUY3QWSRKEGQ \
  | 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: 604b2c4c63f17f19f2d4c6e1694544340cf31ecace33cb95eb4de55ab735f7e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbdf0beaf1381253cd5f7c1de8ce6010527a2e317fa4d8a8af680c6751af1237",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-09-03T12:03:10Z",
    "title_canon_sha256": "7d3e047f7b94ca8a1c190704b3eb30b7bd3bb221627ccbda3e9a85ec8c20c89f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.01467",
    "kind": "arxiv",
    "version": 1
  }
}