Pith Number

pith:U6Y27R7C

pith:2012:U6Y27R7CWLGBUTTB54NN6G36C3

not attested not anchored not stored refs pending

Massively Parallel Sort-Merge Joins in Main Memory Multi-Core Database Systems

Alfons Kemper, Martina-Cezara Albutiu, Thomas Neumann

arxiv:1207.0145 v1 · 2012-06-30 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U6Y27R7CWLGBUTTB54NN6G36C3}

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	2026-05-18T03:52:00.154803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7b1afc7e2b2cc1a4e61ef1adf1b7e16f1e2678da2459ec55e6bc2f937be9191

Aliases

arxiv: 1207.0145 · arxiv_version: 1207.0145v1 · doi: 10.48550/arxiv.1207.0145 · pith_short_12: U6Y27R7CWLGB · pith_short_16: U6Y27R7CWLGBUTTB · pith_short_8: U6Y27R7C

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/U6Y27R7CWLGBUTTB54NN6G36C3 \
  | 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: a7b1afc7e2b2cc1a4e61ef1adf1b7e16f1e2678da2459ec55e6bc2f937be9191

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fda5a33af950bf5f7f25c02a0abc7976fc2003972daed75a003f082b32236b6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2012-06-30T20:23:09Z",
    "title_canon_sha256": "1a7b0f658b20742280e073e6a6a5f0213edf04cc3fa53e7ca8f1df24fd31440a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0145",
    "kind": "arxiv",
    "version": 1
  }
}