Pith Number

pith:5NZGJZDP

pith:2019:5NZGJZDP33NIU6U5G4Z6ECHNBO

not attested not anchored not stored refs pending

Computational Complexity of Stable Marriage and Stable Roommates and Their Variants

Jiehua Chen

arxiv:1904.08196 v1 · 2019-04-17 · 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{5NZGJZDP33NIU6U5G4Z6ECHNBO}

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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.

Cited by

1 paper in Pith

Perspectives on Unsolvability in the Roommates Problem

Receipt and verification

First computed	2026-05-17T23:48:18.439639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb7264e46fdeda8a7a9d3733e208ed0b8f1232a15cedfb08f409ddceb327474b

Aliases

arxiv: 1904.08196 · arxiv_version: 1904.08196v1 · doi: 10.48550/arxiv.1904.08196 · pith_short_12: 5NZGJZDP33NI · pith_short_16: 5NZGJZDP33NIU6U5 · pith_short_8: 5NZGJZDP

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/5NZGJZDP33NIU6U5G4Z6ECHNBO \
  | 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: eb7264e46fdeda8a7a9d3733e208ed0b8f1232a15cedfb08f409ddceb327474b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ded3735e4714e90207d3472872fa7f50e6c8a13e3c51d33f1799db6e7fb9bac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2019-04-17T11:33:55Z",
    "title_canon_sha256": "e2bc45b4899c42112b6b476180aace3111081a179a198c7af7408877def11637"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08196",
    "kind": "arxiv",
    "version": 1
  }
}