Pith Number

pith:UISLG5YW

pith:2022:UISLG5YW6AMNFOSOKBOUED7KJR

not attested not anchored not stored refs pending

The Helmholtz equation with uncertainties in the wavenumber

Olivier S\`ete, Roland Pulch

arxiv:2209.14740 v1 · 2022-09-29 · 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{UISLG5YW6AMNFOSOKBOUED7KJR}

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.

Cited by

1 paper in Pith

Separated-Variable Spectral Neural Networks: A Physics-Informed Learning Approach for High-Frequency PDEs

Receipt and verification

First computed	2026-07-05T05:02:05.212223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a224b37716f018d2ba4e505d420fea4c59849990c65fa5fc6fa0f4d4b8f0c54a

Aliases

arxiv: 2209.14740 · arxiv_version: 2209.14740v1 · doi: 10.48550/arxiv.2209.14740 · pith_short_12: UISLG5YW6AMN · pith_short_16: UISLG5YW6AMNFOSO · pith_short_8: UISLG5YW

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/UISLG5YW6AMNFOSOKBOUED7KJR \
  | 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: a224b37716f018d2ba4e505d420fea4c59849990c65fa5fc6fa0f4d4b8f0c54a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0019fbc89131e8ae77319b4f0b04410c0f67521fceffe5fcdafd38ded4e2730",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-09-29T12:57:18Z",
    "title_canon_sha256": "f34127737cdc24c949c8120a23d9b1e8265a30695f83b8ac79ce6c04bd2c32a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.14740",
    "kind": "arxiv",
    "version": 1
  }
}