Pith Number

pith:UAZX32NJ

pith:2019:UAZX32NJNO4KZXFVTN7Q3CP4I5

not attested not anchored not stored refs pending

Parallel and Memory-limited Algorithms for Optimal Task Scheduling Using a Duplicate-Free State-Space

Michael Orr, Oliver Sinnen

arxiv:1905.05568 v1 · 2019-05-14 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UAZX32NJNO4KZXFVTN7Q3CP4I5}

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	2026-05-17T23:46:14.188635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0337de9a96bb8acdcb59b7f0d89fc4764759d4c79a2c8f85d25948f86ec7cb6

Aliases

arxiv: 1905.05568 · arxiv_version: 1905.05568v1 · doi: 10.48550/arxiv.1905.05568 · pith_short_12: UAZX32NJNO4K · pith_short_16: UAZX32NJNO4KZXFV · pith_short_8: UAZX32NJ

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/UAZX32NJNO4KZXFVTN7Q3CP4I5 \
  | 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: a0337de9a96bb8acdcb59b7f0d89fc4764759d4c79a2c8f85d25948f86ec7cb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cb9545fc6f1be153ad082904e9d2a23d3289a6a715c933278ba907c89e954fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2019-05-14T12:52:53Z",
    "title_canon_sha256": "fc172c62b1637884220343cee731a8144d63697a5a99a853747580dfeec1ad76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05568",
    "kind": "arxiv",
    "version": 1
  }
}