Pith Number

pith:UUWKYLLH

pith:2018:UUWKYLLHEBDF72KCOR4P5YXVT2

not attested not anchored not stored refs pending

Hierarchical Growth is Necessary and (Sometimes) Sufficient to Self-Assemble Discrete Self-Similar Fractals

Jacob Hendricks, Joseph Opseth, Matthew Patitz, Scott Summers

arxiv:1807.04831 v2 · 2018-07-12 · cs.ET · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UUWKYLLHEBDF72KCOR4P5YXVT2}

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	2026-05-18T00:10:36.624666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a52cac2d6720465fe9427478fee2f59e8f1e8b0b8e35d84efbc783be36751a9d

Aliases

arxiv: 1807.04831 · arxiv_version: 1807.04831v2 · doi: 10.48550/arxiv.1807.04831 · pith_short_12: UUWKYLLHEBDF · pith_short_16: UUWKYLLHEBDF72KC · pith_short_8: UUWKYLLH

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/UUWKYLLHEBDF72KCOR4P5YXVT2 \
  | 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: a52cac2d6720465fe9427478fee2f59e8f1e8b0b8e35d84efbc783be36751a9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac9da30c8c616c02d913d5cedf3724ddaa9065ca53f52aba3f8dcda8427d10d5",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.ET",
    "submitted_at": "2018-07-12T21:28:40Z",
    "title_canon_sha256": "c4661ed9ea702bbce77b9edc3a1cd4d6bbd9e9f43ffc7ad20e39cb229b00d993"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04831",
    "kind": "arxiv",
    "version": 2
  }
}