Pith Number

pith:DWNSUEP7

pith:2015:DWNSUEP7ZGZWYTCRAEAPKTUK4Y

not attested not anchored not stored refs pending

Tight Lower Bounds for the Workflow Satisfiability Problem Based on the Strong Exponential Time Hypothesis

Gregory Gutin, Magnus Wahlstrom

arxiv:1508.06829 v1 · 2015-08-27 · cs.DS · cs.CC · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DWNSUEP7ZGZWYTCRAEAPKTUK4Y}

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	2026-05-18T01:34:40.880413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d9b2a11ffc9b36c4c510100f54e8ae633e7c805af852de64526af8ec2fab110

Aliases

arxiv: 1508.06829 · arxiv_version: 1508.06829v1 · doi: 10.48550/arxiv.1508.06829 · pith_short_12: DWNSUEP7ZGZW · pith_short_16: DWNSUEP7ZGZWYTCR · pith_short_8: DWNSUEP7

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/DWNSUEP7ZGZWYTCRAEAPKTUK4Y \
  | 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: 1d9b2a11ffc9b36c4c510100f54e8ae633e7c805af852de64526af8ec2fab110

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21f6f930b3767834f81093475fcdb2a7aeb3ec8868590c92a911adc6dc884031",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-08-27T12:32:42Z",
    "title_canon_sha256": "c107592d88e27f0cf169e873e81c64124130fbf4c4f5775edee258a82edd97bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06829",
    "kind": "arxiv",
    "version": 1
  }
}