Pith Number

pith:A63CZVKA

pith:2008:A63CZVKAJREKH46GSRL2VZV3NF

not attested not anchored not stored refs pending

Ideals of Rings of Differential Operators on Algebraic Curves (With an Appendix by George Wilson)

Oleg Chalykh, Yuri Berest

arxiv:0809.3258 v2 · 2008-09-18 · math.RT · math-ph · math.MP · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A63CZVKAJREKH46GSRL2VZV3NF}

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	2026-05-18T04:39:28.956102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07b62cd5404c48a3f3c69457aae6bb6977454ff082b85d5225e2d8518b7fc57d

Aliases

arxiv: 0809.3258 · arxiv_version: 0809.3258v2 · doi: 10.48550/arxiv.0809.3258 · pith_short_12: A63CZVKAJREK · pith_short_16: A63CZVKAJREKH46G · pith_short_8: A63CZVKA

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/A63CZVKAJREKH46GSRL2VZV3NF \
  | 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: 07b62cd5404c48a3f3c69457aae6bb6977454ff082b85d5225e2d8518b7fc57d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e62a6ee26928ecf72163ef6fd6f36cc28a69fdce02cdf1935be771b34b8ffe6",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2008-09-18T21:46:12Z",
    "title_canon_sha256": "2bb931aa3798740a3306f3a3d474afe7d9a188a94fd47af5fd256556dc724cf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.3258",
    "kind": "arxiv",
    "version": 2
  }
}