Pith Number

pith:NJ47CFVZ

pith:2026:NJ47CFVZJFCC34RTBT772WKMW7

not attested not anchored not stored refs pending

Multi parameter identification in the nonlinear periodic Westervelt equation

Barbara Kaltenbacher, Benjamin Rainer

arxiv:2605.15946 v1 · 2026-05-15 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NJ47CFVZJFCC34RTBT772WKMW7}

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	2026-05-20T00:01:46.136846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a79f116b949442df2330cfffd594cb7f05f9d2989081abcaf5306282288eb50

Aliases

arxiv: 2605.15946 · arxiv_version: 2605.15946v1 · doi: 10.48550/arxiv.2605.15946 · pith_short_12: NJ47CFVZJFCC · pith_short_16: NJ47CFVZJFCC34RT · pith_short_8: NJ47CFVZ

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/NJ47CFVZJFCC34RTBT772WKMW7 \
  | 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: 6a79f116b949442df2330cfffd594cb7f05f9d2989081abcaf5306282288eb50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60761668198d10459b00ade64f790b9533ec2f3cad783c9450bf8d38812fd87c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2026-05-15T13:30:02Z",
    "title_canon_sha256": "b5b707d8712249d6dddfd4a31e3501626371802329440823827e075234803e7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.15946",
    "kind": "arxiv",
    "version": 1
  }
}