Pith Number

pith:ZQLCZX4R

pith:2024:ZQLCZX4RJXNB2UV6ROMICVNUEX

not attested not anchored not stored refs pending

Lagrangian multiform structure of discrete and semi-discrete KP systems

Frank W Nijhoff

arxiv:2406.13423 v2 · 2024-06-19 · nlin.SI · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZQLCZX4RJXNB2UV6ROMICVNUEX}

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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.

Cited by

1 paper in Pith

Discrete Lagrangian Multiforms for ABS Equations I: Quad Equations

Receipt and verification

First computed	2026-07-05T08:52:33.945082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc162cdf914dda1d52be8b988155b425d0d0fdf1e1f407f68392b8507bc1e6a0

Aliases

arxiv: 2406.13423 · arxiv_version: 2406.13423v2 · doi: 10.48550/arxiv.2406.13423 · pith_short_12: ZQLCZX4RJXNB · pith_short_16: ZQLCZX4RJXNB2UV6 · pith_short_8: ZQLCZX4R

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/ZQLCZX4RJXNB2UV6ROMICVNUEX \
  | 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: cc162cdf914dda1d52be8b988155b425d0d0fdf1e1f407f68392b8507bc1e6a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91b8e3f1e5a3a636164a61a82e0afa9392e4c6af897838c737028fb178242cfb",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2024-06-19T10:29:28Z",
    "title_canon_sha256": "4cd6e2c1e3cd645f7893c2a5ae5c2b1ad49924be2703d2a9a658d0cf267a53ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.13423",
    "kind": "arxiv",
    "version": 2
  }
}