Pith Number

pith:NBSTC3PH

pith:2019:NBSTC3PHKLG26ZZTQ37H4YDT74

not attested not anchored not stored refs pending

On optimal cover and its possible shape for fractals embedded into 2D Euclidian space

Dmitry Zhabin

arxiv:1907.04578 v1 · 2019-07-10 · math.DS · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NBSTC3PHKLG26ZZTQ37H4YDT74}

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	2026-05-17T23:40:59.815130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6865316de752cdaf673386fe7e6073ff09f464631bd7580db74840eeb8a5ee09

Aliases

arxiv: 1907.04578 · arxiv_version: 1907.04578v1 · doi: 10.48550/arxiv.1907.04578 · pith_short_12: NBSTC3PHKLG2 · pith_short_16: NBSTC3PHKLG26ZZT · pith_short_8: NBSTC3PH

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/NBSTC3PHKLG26ZZTQ37H4YDT74 \
  | 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: 6865316de752cdaf673386fe7e6073ff09f464631bd7580db74840eeb8a5ee09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6ff5090bd1bec9270edfba2da040fdb57927514e6e24c3ce06c21011a6661d5",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-07-10T08:52:40Z",
    "title_canon_sha256": "b3726779972c242506749fa79f674fe720d9b1d732114d3cabb0a6847a8ff461"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04578",
    "kind": "arxiv",
    "version": 1
  }
}