Pith Number

pith:KG4L2TI5

pith:2011:KG4L2TI5HR3UBTTNFWT3X35F26

not attested not anchored not stored refs pending

Sorting Algorithms with Restrictions

Hakob Aslanyan

arxiv:1107.4223 v1 · 2011-07-21 · 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{KG4L2TI5HR3UBTTNFWT3X35F26}

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	2026-05-18T04:17:12.948848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51b8bd4d1d3c7740ce6d2da7bbefa5d79137dbed99ff0c2088ae7f6a71f050a4

Aliases

arxiv: 1107.4223 · arxiv_version: 1107.4223v1 · doi: 10.48550/arxiv.1107.4223 · pith_short_12: KG4L2TI5HR3U · pith_short_16: KG4L2TI5HR3UBTTN · pith_short_8: KG4L2TI5

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/KG4L2TI5HR3UBTTNFWT3X35F26 \
  | 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: 51b8bd4d1d3c7740ce6d2da7bbefa5d79137dbed99ff0c2088ae7f6a71f050a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c9c4b8eb84d14b41014187c1fc908fb70fae7ae3e4f4774350ef687c2511a1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-07-21T10:11:15Z",
    "title_canon_sha256": "ffaf5c1f3839c062cd5e3a652943bf60beffc6a7b675423bfaecd7ef789f7f67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4223",
    "kind": "arxiv",
    "version": 1
  }
}