Pith Number

pith:HIXBOGR5

pith:2022:HIXBOGR5AVQ2WSTH3S2TDBZBEG

not attested not anchored not stored refs pending

A test for fractal boundaries based on the basin entropy

Alexandre Wagemakers, Alvar Daza, Andreu Puy, Miguel A.F. Sanju\'an

arxiv:2201.08606 v1 · 2022-01-21 · 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{HIXBOGR5AVQ2WSTH3S2TDBZBEG}

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	2026-07-05T03:50:30.382354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a2e171a3d0561ab4a67dcb531872121ad8570f59c3240605d032d8b7bf5a2e5

Aliases

arxiv: 2201.08606 · arxiv_version: 2201.08606v1 · doi: 10.48550/arxiv.2201.08606 · pith_short_12: HIXBOGR5AVQ2 · pith_short_16: HIXBOGR5AVQ2WSTH · pith_short_8: HIXBOGR5

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/HIXBOGR5AVQ2WSTH3S2TDBZBEG \
  | 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: 3a2e171a3d0561ab4a67dcb531872121ad8570f59c3240605d032d8b7bf5a2e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8f50076c00567ffccc436beb5960e3e807c623f8e631950c253d395e7d72569",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2022-01-21T09:30:54Z",
    "title_canon_sha256": "0e45311127563173f203ea33014dcd99411c9aa98ccf3addaff5fb2a2e4a668a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.08606",
    "kind": "arxiv",
    "version": 1
  }
}