Pith Number

pith:FFASQIYI

pith:2026:FFASQIYI5UU666UKY6SLA2Y45B

not attested not anchored not stored refs pending

A Morton-Type Space-Filling Curve for Pyramid Subdivision and Hybrid Adaptive Mesh Refinement

Carsten Burstedde, David Knapp, Johannes Albrecht Holke, Lukas Dreyer, Thomas Spenke

arxiv:2602.20887 v3 · 2026-02-24 · cs.DC · 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{FFASQIYI5UU666UKY6SLA2Y45B}

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	2026-05-25T02:01:16.132171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2941282308ed29ef7a8ac7a4b06b1ce870adee03b58b5f2d70632d754e880298

Aliases

arxiv: 2602.20887 · arxiv_version: 2602.20887v3 · doi: 10.48550/arxiv.2602.20887 · pith_short_12: FFASQIYI5UU6 · pith_short_16: FFASQIYI5UU666UK · pith_short_8: FFASQIYI

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/FFASQIYI5UU666UKY6SLA2Y45B \
  | 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: 2941282308ed29ef7a8ac7a4b06b1ce870adee03b58b5f2d70632d754e880298

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b74474b565c61de9d09577c0166655e281d4ee3244890767aa9909632c21c67",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2026-02-24T13:23:53Z",
    "title_canon_sha256": "0590402f6b20986f6ceaffac2f54eb117475d05c1c4abc75c5c95f4ab7317df2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.20887",
    "kind": "arxiv",
    "version": 3
  }
}