Pith Number

pith:IBCJH2KW

pith:2015:IBCJH2KW6UYMLRDJY7KIG2BOEY

not attested not anchored not stored refs pending

Approximation Ratio of LD Algorithm for Multi-Processor Scheduling and the Coffman-Sethi Conjecture

Levent Tuncel, Peruvemba Sundaram Ravi

arxiv:1505.01005 v2 · 2015-05-05 · cs.DS · cs.DM · math.CO · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IBCJH2KW6UYMLRDJY7KIG2BOEY}

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	2026-05-18T02:16:48.702918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

404493e956f530c5c469c7d483682e260ba2d67658b251493143994dec8db973

Aliases

arxiv: 1505.01005 · arxiv_version: 1505.01005v2 · doi: 10.48550/arxiv.1505.01005 · pith_short_12: IBCJH2KW6UYM · pith_short_16: IBCJH2KW6UYMLRDJ · pith_short_8: IBCJH2KW

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/IBCJH2KW6UYMLRDJY7KIG2BOEY \
  | 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: 404493e956f530c5c469c7d483682e260ba2d67658b251493143994dec8db973

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "045a6f71b1f27ba86ce71cc662ca7b552d095a7e8559f5ee302ec8ca4ccf7618",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-05-05T13:40:02Z",
    "title_canon_sha256": "344c458513ef004501f4fee2ef0c8dec69f14b18484d2adfe8213e6dce93bfa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01005",
    "kind": "arxiv",
    "version": 2
  }
}