Pith Number

pith:IWA7JJQK

pith:2019:IWA7JJQK52VNKQQS2AP5TEFUUZ

not attested not anchored not stored refs pending

The stable marriage problem with ties and restricted edges

\'Agnes Cseh, Klaus Heeger

arxiv:1907.10458 v1 · 2019-07-24 · 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{IWA7JJQK52VNKQQS2AP5TEFUUZ}

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	2026-05-17T23:39:37.874503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4581f4a60aeeaad54212d01fd990b4a651670da2add8aaa0a0cb05252e17fbb6

Aliases

arxiv: 1907.10458 · arxiv_version: 1907.10458v1 · doi: 10.48550/arxiv.1907.10458 · pith_short_12: IWA7JJQK52VN · pith_short_16: IWA7JJQK52VNKQQS · pith_short_8: IWA7JJQK

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/IWA7JJQK52VNKQQS2AP5TEFUUZ \
  | 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: 4581f4a60aeeaad54212d01fd990b4a651670da2add8aaa0a0cb05252e17fbb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f43d251abd801b2892ec2457201f6701a378c85189fa1bcad7982806acec168",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2019-07-24T14:08:52Z",
    "title_canon_sha256": "523c57643c77ee98200b7989fc5cedf743af9c58f5d2fa44ceb0c453abdd98d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10458",
    "kind": "arxiv",
    "version": 1
  }
}