Pith Number

pith:3Y3C5IMS

pith:2012:3Y3C5IMSHGUEPUDDF5BJO64MCJ

not attested not anchored not stored refs pending

Partial Searchlight Scheduling is Strongly PSPACE-Complete

Giovanni Viglietta

arxiv:1201.2097 v4 · 2012-01-10 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3Y3C5IMSHGUEPUDDF5BJO64MCJ}

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	2026-05-18T02:21:18.598457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de362ea19239a847d0632f42977b8c125348135d09386edb80567bd8768932cd

Aliases

arxiv: 1201.2097 · arxiv_version: 1201.2097v4 · doi: 10.48550/arxiv.1201.2097 · pith_short_12: 3Y3C5IMSHGUE · pith_short_16: 3Y3C5IMSHGUEPUDD · pith_short_8: 3Y3C5IMS

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/3Y3C5IMSHGUEPUDDF5BJO64MCJ \
  | 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: de362ea19239a847d0632f42977b8c125348135d09386edb80567bd8768932cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac89fcaf3980c063535477eb1ee29319bdb18cc5691df7320316492a58a4acb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2012-01-10T16:12:35Z",
    "title_canon_sha256": "63f700e162807cd0076c1fa11dd198f23deafaa222a1aa15f4c06942cdc9984e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2097",
    "kind": "arxiv",
    "version": 4
  }
}