Pith Number

pith:GYDFUQAO

pith:2009:GYDFUQAOVAJSPFHSBB4GQDSHRI

not attested not anchored not stored refs pending

Scalable Distributed-Memory External Sorting

Johannes Singler, Mirko Rahn, Peter Sanders

arxiv:0910.2582 v1 · 2009-10-14 · cs.DS · cs.DC · 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{GYDFUQAOVAJSPFHSBB4GQDSHRI}

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	2026-07-04T15:54:27.299940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36065a400ea8132794f20878680e478a3882c300dd9cabb7540ac89c35a0feb4

Aliases

arxiv: 0910.2582 · arxiv_version: 0910.2582v1 · doi: 10.48550/arxiv.0910.2582 · pith_short_12: GYDFUQAOVAJS · pith_short_16: GYDFUQAOVAJSPFHS · pith_short_8: GYDFUQAO

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/GYDFUQAOVAJSPFHSBB4GQDSHRI \
  | 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: 36065a400ea8132794f20878680e478a3882c300dd9cabb7540ac89c35a0feb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e40c2eea02cd4d4fef9f43b73d9c7fb0e806c1b5c0dc966f05bb73c764eefc9c",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.PF"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2009-10-14T12:18:28Z",
    "title_canon_sha256": "1c1d6bd9c7d3d61edf9b1311c12301be297f43574c3c40e2bbaffe81eeb811ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2582",
    "kind": "arxiv",
    "version": 1
  }
}