Pith Number

pith:LK5Q3A7W

pith:2026:LK5Q3A7WEBKKV4TYTHAFKZHPG7

not attested not anchored not stored refs pending

Computing the Integral R2 Indicator by Perspective Mapping and Box Decomposition

Michael T. M. Emmerich

arxiv:2606.30530 v1 · 2026-06-29 · cs.CG · cs.NA · cs.NE · math.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LK5Q3A7WEBKKV4TYTHAFKZHPG7}

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	2026-06-30T02:18:18.760335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5abb0d83f62054aaf27899c05564ef37dc7a04380d00efa4f6a8ab99cf896a2e

Aliases

arxiv: 2606.30530 · arxiv_version: 2606.30530v1 · doi: 10.48550/arxiv.2606.30530 · pith_short_12: LK5Q3A7WEBKK · pith_short_16: LK5Q3A7WEBKKV4TY · pith_short_8: LK5Q3A7W

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/LK5Q3A7WEBKKV4TYTHAFKZHPG7 \
  | 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: 5abb0d83f62054aaf27899c05564ef37dc7a04380d00efa4f6a8ab99cf896a2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ce0d85ed2c70a3e70efd4a040a5f9d56eeeee940bfe2c108e57487bca281c3f",
    "cross_cats_sorted": [
      "cs.NA",
      "cs.NE",
      "math.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2026-06-29T16:34:01Z",
    "title_canon_sha256": "063c53fc169b0bd2c4716f14ae341369c5606bfdc361e878c2ad5047d9d7fce5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30530",
    "kind": "arxiv",
    "version": 1
  }
}