Pith Number

pith:DMI3ZASF

pith:2018:DMI3ZASFJ45Y2N3L5WB7XDYGNE

not attested not anchored not stored refs pending

Cutting and shuffling a hemisphere: non-orthogonal axes

Julio M. Ottino, Lachlan D. Smith, Paul B. Umbanhowar, Richard M. Lueptow, Thomas F. Lynn

arxiv:1810.05283 v2 · 2018-10-11 · 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{DMI3ZASFJ45Y2N3L5WB7XDYGNE}

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	2026-05-17T23:44:00.141858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b11bc82454f3b8d376bed83fb8f06692c614e2c68027b68387478eb50ecdc58

Aliases

arxiv: 1810.05283 · arxiv_version: 1810.05283v2 · doi: 10.48550/arxiv.1810.05283 · pith_short_12: DMI3ZASFJ45Y · pith_short_16: DMI3ZASFJ45Y2N3L · pith_short_8: DMI3ZASF

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/DMI3ZASFJ45Y2N3L5WB7XDYGNE \
  | 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: 1b11bc82454f3b8d376bed83fb8f06692c614e2c68027b68387478eb50ecdc58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c20240b99bcdafdd6e3452f0594ddb293a06ea86635de5e2a54df4f00a229f80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-10-11T22:56:54Z",
    "title_canon_sha256": "59f3bb88b54b17e827de22bc8f9795665000d5831ee914fb92bf9103a56fd527"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05283",
    "kind": "arxiv",
    "version": 2
  }
}