Pith Number

pith:CUYWUW7B

pith:2017:CUYWUW7B3HJE3PPH4OARV4TESL

not attested not anchored not stored refs pending

An Improved Subsumption Testing Algorithm for the Optimal-Size Sorting Network Problem

Cristian Frasinaru, Madalina Raschip

arxiv:1707.08725 v1 · 2017-07-27 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CUYWUW7B3HJE3PPH4OARV4TESL}

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	2026-05-18T00:39:22.127886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15316a5be1d9d24dbde7e3811af26492c60428dd58d74146f2eb994980b05c12

Aliases

arxiv: 1707.08725 · arxiv_version: 1707.08725v1 · doi: 10.48550/arxiv.1707.08725 · pith_short_12: CUYWUW7B3HJE · pith_short_16: CUYWUW7B3HJE3PPH · pith_short_8: CUYWUW7B

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/CUYWUW7B3HJE3PPH4OARV4TESL \
  | 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: 15316a5be1d9d24dbde7e3811af26492c60428dd58d74146f2eb994980b05c12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdc4fae4349c3a7977ab3fce8a66eeb15e25ceb0294c73c7f052f05a90ff09e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-07-27T07:05:21Z",
    "title_canon_sha256": "7cc3d14183b5b7737cafe8a3d98defaf9524f16b25b96bd3f2f734389a46213d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08725",
    "kind": "arxiv",
    "version": 1
  }
}