Pith Number

pith:SNFERR42

pith:2014:SNFERR42G2RV326W6XKTSVOPF2

not attested not anchored not stored refs pending

Sweep maps: A continuous family of sorting algorithms

Drew Armstrong, Gregory S. Warrington, Nicholas A. Loehr

arxiv:1406.1196 v1 · 2014-06-04 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SNFERR42G2RV326W6XKTSVOPF2}

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	2026-05-18T02:50:24.686516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

934a48c79a36a35debd6f5d53955cf2e8c10a21e14569ed444b5736b648c4a8f

Aliases

arxiv: 1406.1196 · arxiv_version: 1406.1196v1 · doi: 10.48550/arxiv.1406.1196 · pith_short_12: SNFERR42G2RV · pith_short_16: SNFERR42G2RV326W · pith_short_8: SNFERR42

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/SNFERR42G2RV326W6XKTSVOPF2 \
  | 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: 934a48c79a36a35debd6f5d53955cf2e8c10a21e14569ed444b5736b648c4a8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "630d0b090ea2ada5523b7b6e0eff0da000704b52f58843ada069afa53ff4df48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-06-04T20:04:00Z",
    "title_canon_sha256": "f4c3c3e0c6f37af6112c4727e83daa327fae687634cc65348b9737bbeffb0340"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1196",
    "kind": "arxiv",
    "version": 1
  }
}