Pith Number

pith:P4UHQFPM

pith:2011:P4UHQFPM3WGBC4QUU7MUO6OF4D

not attested not anchored not stored refs pending

A numerical study of infinitely renormalizable area-preserving maps

Denis Gaidashev, Tomas Johnson

arxiv:1107.3424 v1 · 2011-07-18 · math.DS · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P4UHQFPM3WGBC4QUU7MUO6OF4D}

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	2026-05-18T03:48:59.159222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f287815ecdd8c117214a7d94779c5e0d23c20aea6e24982c4833f4d89f7eb4a

Aliases

arxiv: 1107.3424 · arxiv_version: 1107.3424v1 · doi: 10.48550/arxiv.1107.3424 · pith_short_12: P4UHQFPM3WGB · pith_short_16: P4UHQFPM3WGBC4QU · pith_short_8: P4UHQFPM

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/P4UHQFPM3WGBC4QUU7MUO6OF4D \
  | 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: 7f287815ecdd8c117214a7d94779c5e0d23c20aea6e24982c4833f4d89f7eb4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87411784c1d282e55c74b96f21c356231760c86dd25210de09eaf464c516cf0c",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2011-07-18T13:03:39Z",
    "title_canon_sha256": "84c416261fdd2928160669ee0adccd8c56acad8d981683b6807f95b217ceb76f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3424",
    "kind": "arxiv",
    "version": 1
  }
}