Pith Number

pith:PHPXRVZ4

pith:2010:PHPXRVZ4GI7425UVW3QT5X255X

not attested not anchored not stored refs pending

Faster Radix Sort via Virtual Memory and Write-Combining

Jan Wassenberg, Peter Sanders

arxiv:1008.2849 v2 · 2010-08-17 · cs.DS · cs.PF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PHPXRVZ4GI7425UVW3QT5X255X}

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	2026-05-18T04:41:24.731804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79df78d73c323fcd7695b6e13edf5dedf9a8efd04ae46a70b07e6fbf634c539c

Aliases

arxiv: 1008.2849 · arxiv_version: 1008.2849v2 · doi: 10.48550/arxiv.1008.2849 · pith_short_12: PHPXRVZ4GI74 · pith_short_16: PHPXRVZ4GI7425UV · pith_short_8: PHPXRVZ4

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/PHPXRVZ4GI7425UVW3QT5X255X \
  | 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: 79df78d73c323fcd7695b6e13edf5dedf9a8efd04ae46a70b07e6fbf634c539c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9eed95bb352860540ab45bb6c2e7a80dc5e08dddb34b169e211dfe3bbd9b8d5f",
    "cross_cats_sorted": [
      "cs.PF"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-08-17T08:39:59Z",
    "title_canon_sha256": "091f965c10d83a760e84da8e2cb733effd47466d3a46df84b1453bdd1f038a95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2849",
    "kind": "arxiv",
    "version": 2
  }
}