Pith Number

pith:SP57Q3DL

pith:2017:SP57Q3DLOIUREATQMIYZX25XNS

not attested not anchored not stored refs pending

Improved convergence estimates for the Schr\"oder-Siegel problem

Antonio Giorgilli, Marco Sansottera, Ugo Locatelli

arxiv:1712.08927 v1 · 2017-12-24 · math.DS · 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{SP57Q3DLOIUREATQMIYZX25XNS}

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	2026-05-18T00:27:14.834718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93fbf86c6b722912027062319bebb76c8ba46ec9f295063abf65f8d2491c99e5

Aliases

arxiv: 1712.08927 · arxiv_version: 1712.08927v1 · doi: 10.48550/arxiv.1712.08927 · pith_short_12: SP57Q3DLOIUR · pith_short_16: SP57Q3DLOIUREATQ · pith_short_8: SP57Q3DL

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/SP57Q3DLOIUREATQMIYZX25XNS \
  | 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: 93fbf86c6b722912027062319bebb76c8ba46ec9f295063abf65f8d2491c99e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "975ee2903523cc622d482cb68c9a6d5b6825c335562cab33f3cbca14c4066e03",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-12-24T13:56:02Z",
    "title_canon_sha256": "ad06192bcc6e0e18bbb9611c65ed10b65f7fae7da34fac9aa660fc75022e1eae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.08927",
    "kind": "arxiv",
    "version": 1
  }
}