Pith Number

pith:RSP2RUXV

pith:2025:RSP2RUXVFM46F5VXCN6YSNCG25

not attested not anchored not stored refs pending

An Optimal Sorting Algorithm for Persistent Random Comparison Faults

Barbara Geissmann, Chih-Hung Liu, Paolo Penna, Stefano Leucci

arxiv:2508.19785 v1 · 2025-08-27 · cs.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{RSP2RUXVFM46F5VXCN6YSNCG25}

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	2026-07-05T12:00:17.732522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c9fa8d2f52b39e2f6b7137d893446d777f92080c58a25cb14778e9ea6e35eaa

Aliases

arxiv: 2508.19785 · arxiv_version: 2508.19785v1 · doi: 10.48550/arxiv.2508.19785 · pith_short_12: RSP2RUXVFM46 · pith_short_16: RSP2RUXVFM46F5VX · pith_short_8: RSP2RUXV

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/RSP2RUXVFM46F5VXCN6YSNCG25 \
  | 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: 8c9fa8d2f52b39e2f6b7137d893446d777f92080c58a25cb14778e9ea6e35eaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "213a6a463d53fc93c28f2a5ad66f06628034bc70ef465e722fcc4f0fa96548a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-08-27T11:06:36Z",
    "title_canon_sha256": "182591086b054f43fbceb18569cbbd64509e64ac9007f80ecb05b8744a6c290c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.19785",
    "kind": "arxiv",
    "version": 1
  }
}