Pith Number

pith:MCPP37S7

pith:2018:MCPP37S7DXRFWE3RG2DO7FGBFB

not attested not anchored not stored refs pending

Quasiperiodic orbits in Siegel disks/balls and the Babylonian problem

James A. Yorke, Yoshitaka Saiki

arxiv:1811.03148 v1 · 2018-11-07 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MCPP37S7DXRFWE3RG2DO7FGBFB}

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	2026-05-17T23:57:37.595037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

609efdfe5f1de25b13713686ef94c1284e529207b4d9c4c71234ec0bbb1ac550

Aliases

arxiv: 1811.03148 · arxiv_version: 1811.03148v1 · doi: 10.48550/arxiv.1811.03148 · pith_short_12: MCPP37S7DXRF · pith_short_16: MCPP37S7DXRFWE3R · pith_short_8: MCPP37S7

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/MCPP37S7DXRFWE3RG2DO7FGBFB \
  | 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: 609efdfe5f1de25b13713686ef94c1284e529207b4d9c4c71234ec0bbb1ac550

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e2710b104820d39d53cf4763e99397cba2bc66b8dc35b335cd1513d502c1a58",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-11-07T21:16:27Z",
    "title_canon_sha256": "bd3b207e8fe41778605a1c55e348901d42559c9718670c2fccee86493bd3fffd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03148",
    "kind": "arxiv",
    "version": 1
  }
}