Pith Number

pith:V4MUSEP6

pith:2013:V4MUSEP65YO7SLWRB6ZL6Q2O75

not attested not anchored not stored refs pending

Counting Popular Matchings in House Allocation Problems

Nitesh Jha, Rupam Acharyya, Sourav Chakraborty

arxiv:1312.3552 v1 · 2013-12-12 · 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{V4MUSEP65YO7SLWRB6ZL6Q2O75}

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	2026-05-18T03:04:50.571452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af194911feee1df92ed10fb2bf434eff7da58d7443cd4e9761abd2e13a522b82

Aliases

arxiv: 1312.3552 · arxiv_version: 1312.3552v1 · doi: 10.48550/arxiv.1312.3552 · pith_short_12: V4MUSEP65YO7 · pith_short_16: V4MUSEP65YO7SLWR · pith_short_8: V4MUSEP6

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/V4MUSEP65YO7SLWRB6ZL6Q2O75 \
  | 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: af194911feee1df92ed10fb2bf434eff7da58d7443cd4e9761abd2e13a522b82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "419d9f9df36fad7c93c8cebc388a5dcd6ef28c7f5094bee1595c92d9f7416a25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-12-12T17:21:20Z",
    "title_canon_sha256": "6c48c56bafe76c5cadd84a634561f3d873a32aa5537805cc88f6f00412f023b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3552",
    "kind": "arxiv",
    "version": 1
  }
}