Pith Number

pith:ZUAAGI7E

pith:2014:ZUAAGI7ERVSMM33VXUVUJ2KEA7

not attested not anchored not stored refs pending

Stable marriage and roommates problems with restricted edges: complexity and approximability

\'Agnes Cseh, David F. Manlove

arxiv:1412.0271 v6 · 2014-11-30 · cs.DM · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZUAAGI7ERVSMM33VXUVUJ2KEA7}

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	2026-05-18T01:13:16.949803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd000323e48d64c66f75bd2b44e94407cb5f5166ab112497ee437492d8a345b7

Aliases

arxiv: 1412.0271 · arxiv_version: 1412.0271v6 · doi: 10.48550/arxiv.1412.0271 · pith_short_12: ZUAAGI7ERVSM · pith_short_16: ZUAAGI7ERVSMM33V · pith_short_8: ZUAAGI7E

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/ZUAAGI7ERVSMM33VXUVUJ2KEA7 \
  | 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: cd000323e48d64c66f75bd2b44e94407cb5f5166ab112497ee437492d8a345b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d8b3edb66f967c9a639ed40aa4a1d1cbd3fb84e4ba288cc5cb4b66a88573ba9",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2014-11-30T19:53:33Z",
    "title_canon_sha256": "40d375da84d735760e9933bb8cdc65ec3f4403f7ab93a942f4371a9646d5773c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.0271",
    "kind": "arxiv",
    "version": 6
  }
}