Pith Number

pith:5SXNNMUP

pith:2025:5SXNNMUP7UIXLFIBOYZAO2QIYB

not attested not anchored not stored refs pending

Maximum volume coordinates for Grassmann interpolation: Lagrange, Hermite, and errors

Ralf Zimmermann, Rasmus Jensen

arxiv:2506.01574 v2 · 2025-06-02 · 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{5SXNNMUP7UIXLFIBOYZAO2QIYB}

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	2026-07-05T11:24:21.720568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecaed6b28ffd117595017632076a08c074391aba4b0c73cc0ae483f5d37d08d2

Aliases

arxiv: 2506.01574 · arxiv_version: 2506.01574v2 · doi: 10.48550/arxiv.2506.01574 · pith_short_12: 5SXNNMUP7UIX · pith_short_16: 5SXNNMUP7UIXLFIB · pith_short_8: 5SXNNMUP

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/5SXNNMUP7UIXLFIBOYZAO2QIYB \
  | 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: ecaed6b28ffd117595017632076a08c074391aba4b0c73cc0ae483f5d37d08d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "541726cf088babf4d5019b74ef2d9efec901e51c713521ad276f05536eb1d999",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-06-02T11:59:51Z",
    "title_canon_sha256": "449e41abff38ba4c2160244365685195e758d960930e9ad9a5ae4a8520e03b6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.01574",
    "kind": "arxiv",
    "version": 2
  }
}