Pith Number

pith:NSKY7XGZ

pith:2009:NSKY7XGZ4SPTGMSDUYPFFJT4IL

not attested not anchored not stored refs pending

A note on the O(n)-storage implementation of the GKO algorithm

Federico Poloni

arxiv:0903.4569 v3 · 2009-03-26 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NSKY7XGZ4SPTGMSDUYPFFJT4IL}

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	2026-05-18T04:23:22.310973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c958fdcd9e49f333243a61e52a67c42ebd1e5ce7f5bcf30b5c829d92a8edeb6

Aliases

arxiv: 0903.4569 · arxiv_version: 0903.4569v3 · doi: 10.48550/arxiv.0903.4569 · pith_short_12: NSKY7XGZ4SPT · pith_short_16: NSKY7XGZ4SPTGMSD · pith_short_8: NSKY7XGZ

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/NSKY7XGZ4SPTGMSDUYPFFJT4IL \
  | 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: 6c958fdcd9e49f333243a61e52a67c42ebd1e5ce7f5bcf30b5c829d92a8edeb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a05fde5aa232a355fe9f7564234962a8d6ae85d8ab72091845a147b0c2d6340",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-03-26T13:18:57Z",
    "title_canon_sha256": "950b8e7f83fda409a2f0e35aec0d9426127d7f29d4ee034c3644c44aaca88052"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4569",
    "kind": "arxiv",
    "version": 3
  }
}