Pith Number

pith:6ZOFE6BV

pith:2009:6ZOFE6BVERFSSWPNJCRAUQDG2I

not attested not anchored not stored refs pending

Quasi-periodic motions in dynamical systems. Review of a renormalisation group approach

Guido Gentile

arxiv:0910.0755 v1 · 2009-10-05 · math.DS · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ZOFE6BVERFSSWPNJCRAUQDG2I}

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	2026-05-18T02:11:26.727494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f65c527835244b2959ed48a20a4066d21b29dd063f07e15c793dde4850f06c7b

Aliases

arxiv: 0910.0755 · arxiv_version: 0910.0755v1 · doi: 10.48550/arxiv.0910.0755 · pith_short_12: 6ZOFE6BVERFS · pith_short_16: 6ZOFE6BVERFSSWPN · pith_short_8: 6ZOFE6BV

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/6ZOFE6BVERFSSWPNJCRAUQDG2I \
  | 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: f65c527835244b2959ed48a20a4066d21b29dd063f07e15c793dde4850f06c7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f7773fd013bd9fc9036d7e7a3ffa99fc799eda11e439ae9769079affae479a4",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2009-10-05T12:52:17Z",
    "title_canon_sha256": "308b7f96f89ac55bbdcc20aca3ee3a1fee242e58e2445e294bf8aa801767a614"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0755",
    "kind": "arxiv",
    "version": 1
  }
}