Pith Number

pith:2X3XVKZW

pith:2021:2X3XVKZWC7GR4JLNB55VPWRF6G

not attested not anchored not stored refs pending

Profile-based optimal stable matchings in the Roommates problem

David Manlove, Sofia Simola

arxiv:2110.02555 v1 · 2021-10-06 · 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{2X3XVKZWC7GR4JLNB55VPWRF6G}

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.

Cited by

1 paper in Pith

Perspectives on Unsolvability in the Roommates Problem

Receipt and verification

First computed	2026-07-05T03:20:27.648256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5f77aab3617cd1e256d0f7b57da25f181195acdd0b10dedb11a63896bba9347

Aliases

arxiv: 2110.02555 · arxiv_version: 2110.02555v1 · doi: 10.48550/arxiv.2110.02555 · pith_short_12: 2X3XVKZWC7GR · pith_short_16: 2X3XVKZWC7GR4JLN · pith_short_8: 2X3XVKZW

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/2X3XVKZWC7GR4JLNB55VPWRF6G \
  | 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: d5f77aab3617cd1e256d0f7b57da25f181195acdd0b10dedb11a63896bba9347

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2b8a80b46c9b1f7b5ebda207a864f8016c69cc96b01a55f2b5daff1e891b4cd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2021-10-06T07:54:53Z",
    "title_canon_sha256": "0c667d664c5644655a5798c576ca1d705d0d147c19ec4b233ce8effc95b787f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.02555",
    "kind": "arxiv",
    "version": 1
  }
}