Pith Number

pith:S7JTEHSZ

pith:2018:S7JTEHSZUY5WXQEFU5GMDXTHRW

not attested not anchored not stored refs pending

Block-Separation of Variables: a Form of Partial Separation for Natural Hamiltonians

Claudia Maria Chanu, Giovanni Rastelli

arxiv:1808.01889 v2 · 2018-08-06 · math-ph · math.DS · 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{S7JTEHSZUY5WXQEFU5GMDXTHRW}

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.

Cited by

2 papers in Pith

Generalized Fourier Transforms for Momentum-Space Construction on Riemannian Manifolds

Receipt and verification

First computed	2026-05-17T23:52:52.492674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97d3321e59a63b6bc085a74cc1de678d957e674e678f0c029f4300e27b1ca588

Aliases

arxiv: 1808.01889 · arxiv_version: 1808.01889v2 · doi: 10.48550/arxiv.1808.01889 · pith_short_12: S7JTEHSZUY5W · pith_short_16: S7JTEHSZUY5WXQEF · pith_short_8: S7JTEHSZ

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/S7JTEHSZUY5WXQEFU5GMDXTHRW \
  | 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: 97d3321e59a63b6bc085a74cc1de678d957e674e678f0c029f4300e27b1ca588

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c1493ec72f2a9db2e7212cdc104e6c18c75e0443fe85dc8fcc39e284bf9595e",
    "cross_cats_sorted": [
      "math.DS",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-08-06T13:33:32Z",
    "title_canon_sha256": "939f531e09214498b869fa88e84ecd27a0111b655c6edb4b990e62eedc9a5582"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01889",
    "kind": "arxiv",
    "version": 2
  }
}