Pith Number

pith:POBRW2IS

pith:2025:POBRW2ISXJ43LTZBZEI4EBJQ32

not attested not anchored not stored refs pending

A Fast, Accurate and Oscillation-free Spectral Collocation Solver for High-dimensional Transport Problems

Andrea Favalli, Daniele Funaro, Gianmarco Manzini, Nicola Cavallini

arxiv:2506.04732 v1 · 2025-06-05 · 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{POBRW2ISXJ43LTZBZEI4EBJQ32}

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	2026-07-05T11:16:19.515858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b831b6912ba79b5cf21c911c20530dea39ef8d1e6539944cb347e75131c0638

Aliases

arxiv: 2506.04732 · arxiv_version: 2506.04732v1 · doi: 10.48550/arxiv.2506.04732 · pith_short_12: POBRW2ISXJ43 · pith_short_16: POBRW2ISXJ43LTZB · pith_short_8: POBRW2IS

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/POBRW2ISXJ43LTZBZEI4EBJQ32 \
  | 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: 7b831b6912ba79b5cf21c911c20530dea39ef8d1e6539944cb347e75131c0638

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0142d1a5c6a4744ccdee5418a2528e2158f513058e619481d33495acf2715955",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-06-05T08:07:07Z",
    "title_canon_sha256": "367f0b8545badcaeba1c3c6d2d56ace9602df107786539418aa2b7b1e4d14ef7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.04732",
    "kind": "arxiv",
    "version": 1
  }
}