Pith Number

pith:YWSMCQGQ

pith:2023:YWSMCQGQNSZZZWC76P6J6V4L5C

not attested not anchored not stored refs pending

Unlocking massively parallel spectral proper orthogonal decompositions in the PySPOD package

Brandon C. Y. Yeung, Gianmarco Mengaldo, Lisandro Dalcin, Marcin Rogowski, Matteo Parsani, Oliver T. Schmidt, Romit Maulik

arxiv:2309.11808 v2 · 2023-09-21 · physics.comp-ph · cs.DC · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YWSMCQGQNSZZZWC76P6J6V4L5C}

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	2026-07-05T08:50:24.733602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5a4c140d06cb39cd85ff3fc9f578be89c3ee12e4d09e0ff406bedb9eedbfaf4

Aliases

arxiv: 2309.11808 · arxiv_version: 2309.11808v2 · doi: 10.48550/arxiv.2309.11808 · pith_short_12: YWSMCQGQNSZZ · pith_short_16: YWSMCQGQNSZZZWC7 · pith_short_8: YWSMCQGQ

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/YWSMCQGQNSZZZWC76P6J6V4L5C \
  | 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: c5a4c140d06cb39cd85ff3fc9f578be89c3ee12e4d09e0ff406bedb9eedbfaf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d4b1cdf59012b0172d134573af745c7c630cab7faeb238ec9208b1482994f26",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.MS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2023-09-21T06:28:07Z",
    "title_canon_sha256": "bd08142d04a3e1f1255991041517db8ab064cea55754af249b7ccd191b37643c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.11808",
    "kind": "arxiv",
    "version": 2
  }
}