Pith Number

pith:2AYLL3HV

pith:2026:2AYLL3HV7I4RUSOCBCKCTCYL6H

not attested not anchored not stored refs pending

Wigner-Eckart Factorization of the Spectral Boltzmann Collision Operator

Michael R.A. Abdelmalik, Ren\'e R. Hiemstra, Torsten Ke{\ss}ler

arxiv:2605.28475 v1 · 2026-05-27 · math.NA · cs.NA · physics.comp-ph · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2AYLL3HV7I4RUSOCBCKCTCYL6H}

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	2026-05-28T02:04:54.047137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d030b5ecf5fa391a49c20894298b0bf1f90b240317467e1586949d6d0d49deb0

Aliases

arxiv: 2605.28475 · arxiv_version: 2605.28475v1 · doi: 10.48550/arxiv.2605.28475 · pith_short_12: 2AYLL3HV7I4R · pith_short_16: 2AYLL3HV7I4RUSOC · pith_short_8: 2AYLL3HV

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/2AYLL3HV7I4RUSOCBCKCTCYL6H \
  | 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: d030b5ecf5fa391a49c20894298b0bf1f90b240317467e1586949d6d0d49deb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c391a15be09eb4f796bb5d98318eac387608454f68c8b7bbbd6b14697b9e079d",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.comp-ph",
      "physics.flu-dyn"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-05-27T13:38:03Z",
    "title_canon_sha256": "caa2c3801dde0d16e3a5ce024b3dca47f9271722e7a505dcbe880cb719fbea7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28475",
    "kind": "arxiv",
    "version": 1
  }
}