Pith Number

pith:4FISB3NQ

pith:2017:4FISB3NQZYBY5BPLEGQT2MVD5A

not attested not anchored not stored refs pending

On Parameterized Complexity of Group Activity Selection Problems on Social Networks

Ayumi Igarashi, Edith Elkind, Robert Bredereck

arxiv:1703.01121 v1 · 2017-03-03 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FISB3NQZYBY5BPLEGQT2MVD5A}

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	2026-05-18T00:49:35.937240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e15120edb0ce038e85eb21a13d32a3e8295f3c3424fed38871b9149508bf30be

Aliases

arxiv: 1703.01121 · arxiv_version: 1703.01121v1 · doi: 10.48550/arxiv.1703.01121 · pith_short_12: 4FISB3NQZYBY · pith_short_16: 4FISB3NQZYBY5BPL · pith_short_8: 4FISB3NQ

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/4FISB3NQZYBY5BPLEGQT2MVD5A \
  | 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: e15120edb0ce038e85eb21a13d32a3e8295f3c3424fed38871b9149508bf30be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1c58e328ade4a36997e0bcf012dd401135733b78574d59e44d5a3d72afb8dd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2017-03-03T12:10:13Z",
    "title_canon_sha256": "2c7dd4c801524e677dcb675b997aa614e730371d8d173d841231201048d5cb05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01121",
    "kind": "arxiv",
    "version": 1
  }
}