Pith Number

pith:LS56IK4S

pith:2017:LS56IK4SFCZEJI3W34YZB7JQK3

not attested not anchored not stored refs pending

Solving and Sampling with Many Solutions: Satisfiability and Other Hard Problems

Emo Welzl, Jean Cardinal, Jerri Nummenpalo

arxiv:1708.01122 v1 · 2017-08-03 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LS56IK4SFCZEJI3W34YZB7JQK3}

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	2026-05-18T00:38:40.588384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cbbe42b9228b244a376df3190fd3056f2af5f3f49363b4a41c183f6cbc5f878

Aliases

arxiv: 1708.01122 · arxiv_version: 1708.01122v1 · doi: 10.48550/arxiv.1708.01122 · pith_short_12: LS56IK4SFCZE · pith_short_16: LS56IK4SFCZEJI3W · pith_short_8: LS56IK4S

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/LS56IK4SFCZEJI3W34YZB7JQK3 \
  | 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: 5cbbe42b9228b244a376df3190fd3056f2af5f3f49363b4a41c183f6cbc5f878

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6e480aa5e8d062e7990d195ee6a7ebcc4f2678dece28639ee227b85e1f1b4b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2017-08-03T13:12:03Z",
    "title_canon_sha256": "a9d3f1c101441cf04d86980f81905f488161645bf55666b11cfc432b81e0df8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01122",
    "kind": "arxiv",
    "version": 1
  }
}