Pith Number

pith:ITHMR54Q

pith:2019:ITHMR54QUYUOOCV4XWANDTWN6E

not attested not anchored not stored refs pending

Number theoretical properties of Romik's dynamical system

Byungchul Cha, Dong Han Kim

arxiv:1902.03571 v1 · 2019-02-10 · math.NT · 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{ITHMR54QUYUOOCV4XWANDTWN6E}

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	2026-05-17T23:54:20.390145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44cec8f790a628e70abcbd80d1cecdf10a3bece93dbf9e683e87473abd8d3291

Aliases

arxiv: 1902.03571 · arxiv_version: 1902.03571v1 · doi: 10.48550/arxiv.1902.03571 · pith_short_12: ITHMR54QUYUO · pith_short_16: ITHMR54QUYUOOCV4 · pith_short_8: ITHMR54Q

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/ITHMR54QUYUOOCV4XWANDTWN6E \
  | 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: 44cec8f790a628e70abcbd80d1cecdf10a3bece93dbf9e683e87473abd8d3291

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29b7caf81edc906d220b8c1f3fef1836df076c2b524111c4459736823041fad6",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2019-02-10T10:40:56Z",
    "title_canon_sha256": "ef21574687e8a1d45673eed6965baccd473a3cdb7ed38525d0c060da7dc936aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03571",
    "kind": "arxiv",
    "version": 1
  }
}