Pith Number

pith:NXB4AKAW

pith:2019:NXB4AKAWQS76TD44EJXPWEZLBA

not attested not anchored not stored refs pending

Cyclic Oritatami Systems Cannot Fold Infinite Fractal Curves

Hwee Kim, Yo-Sub Han

arxiv:1908.04409 v1 · 2019-08-09 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NXB4AKAWQS76TD44EJXPWEZLBA}

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	2026-07-04T23:55:13.575507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dc3c0281684bfe98f9c226efb132b082c0205bcb681a5e45dd48fba7e9a7fe8

Aliases

arxiv: 1908.04409 · arxiv_version: 1908.04409v1 · doi: 10.48550/arxiv.1908.04409 · pith_short_12: NXB4AKAWQS76 · pith_short_16: NXB4AKAWQS76TD44 · pith_short_8: NXB4AKAW

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/NXB4AKAWQS76TD44EJXPWEZLBA \
  | 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: 6dc3c0281684bfe98f9c226efb132b082c0205bcb681a5e45dd48fba7e9a7fe8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3431f76a22a4d0769e4fcfc3dee0a56c887ab66797127d5cfc0bb44cb05fa518",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2019-08-09T14:47:02Z",
    "title_canon_sha256": "f64250d7fcd3909561b070eb57a127efcc09032f9916be717adb2822132123f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04409",
    "kind": "arxiv",
    "version": 1
  }
}