Pith Number

pith:ZEPHDQ6B

pith:2021:ZEPHDQ6BSTTOHJ5B4AMMS5MO63

not attested not anchored not stored refs pending

Inverse-Dirichlet Weighting Enables Reliable Training of Physics Informed Neural Networks

Christian L. M\"uller, Dominik Sturm, Ivo F. Sbalzarini, Suryanarayana Maddu

arxiv:2107.00940 v1 · 2021-07-02 · cs.LG · cs.NA · math.NA · physics.comp-ph · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZEPHDQ6BSTTOHJ5B4AMMS5MO63}

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	2026-07-05T02:54:35.441738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c91e71c3c194e6e3a7a1e018c9758ef6f87e4ae50acbbf4ced53377248e5b49c

Aliases

arxiv: 2107.00940 · arxiv_version: 2107.00940v1 · doi: 10.48550/arxiv.2107.00940 · pith_short_12: ZEPHDQ6BSTTO · pith_short_16: ZEPHDQ6BSTTOHJ5B · pith_short_8: ZEPHDQ6B

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/ZEPHDQ6BSTTOHJ5B4AMMS5MO63 \
  | 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: c91e71c3c194e6e3a7a1e018c9758ef6f87e4ae50acbbf4ced53377248e5b49c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "616fef1f74aadf9e68716e8f3d0d60f8af3111897e14a4f0bb9ca13123bb8efb",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "physics.comp-ph",
      "q-bio.QM"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-07-02T10:01:37Z",
    "title_canon_sha256": "ae70246095d8c6b180f25fde2cfcc3a270044850fcf5c91161d92af6ee129db3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.00940",
    "kind": "arxiv",
    "version": 1
  }
}