Pith Number

pith:K4BJH4SO

pith:2026:K4BJH4SOVMG3YLUQ7FSSWSRYPV

not attested not anchored not stored refs pending

Fredholm--residue selection of the unsteady Kutta amplitude

Jiguang Yu, Louis Shuo Wang

arxiv:2607.01403 v1 · 2026-07-01 · 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{K4BJH4SOVMG3YLUQ7FSSWSRYPV}

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	2026-07-03T00:16:59.416984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

570293f24eab0dbc2e90f9652b4a387d477f8c099bc35f9ba0e46fff6f4d2014

Aliases

arxiv: 2607.01403 · arxiv_version: 2607.01403v1 · doi: 10.48550/arxiv.2607.01403 · pith_short_12: K4BJH4SOVMG3 · pith_short_16: K4BJH4SOVMG3YLUQ · pith_short_8: K4BJH4SO

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/K4BJH4SOVMG3YLUQ7FSSWSRYPV \
  | 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: 570293f24eab0dbc2e90f9652b4a387d477f8c099bc35f9ba0e46fff6f4d2014

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c576bbd0a9f75a4298e3b41c484ff65b7c80f0cb8c9f270d8ccc2eb9831f5ed",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-07-01T19:08:57Z",
    "title_canon_sha256": "09ff7790dc7cd0c3e0ad4394440b25187c3c88b96e070384114421b0683ebe5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01403",
    "kind": "arxiv",
    "version": 1
  }
}