Pith Number

pith:SP2CCV2R

pith:2025:SP2CCV2RMBBQF7CZXO6WXOIU7D

not attested not anchored not stored refs pending

On the structure of homogeneous local Poisson brackets

Guido Carlet, Matteo Casati

arxiv:2505.01138 v2 · 2025-05-02 · math.DG · math-ph · math.MP · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SP2CCV2RMBBQF7CZXO6WXOIU7D}

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	2026-07-05T10:58:27.253151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93f4215751604302fc59bbbd6bb914f8e3323cf4d7cffcbb19b9bfcc05160e12

Aliases

arxiv: 2505.01138 · arxiv_version: 2505.01138v2 · doi: 10.48550/arxiv.2505.01138 · pith_short_12: SP2CCV2RMBBQ · pith_short_16: SP2CCV2RMBBQF7CZ · pith_short_8: SP2CCV2R

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/SP2CCV2RMBBQF7CZXO6WXOIU7D \
  | 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: 93f4215751604302fc59bbbd6bb914f8e3323cf4d7cffcbb19b9bfcc05160e12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43643307be1ae1822fd13aeca2b2738b1e0c6eeafe953fff38db89efaa2be044",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2025-05-02T09:26:31Z",
    "title_canon_sha256": "cd56199ad214b78f908a718bf11b149e355d9d38c72ff364466eed521c0a7903"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.01138",
    "kind": "arxiv",
    "version": 2
  }
}