Pith Number

pith:YBYW7CEN

pith:2013:YBYW7CENGZIHYJ4EEZ7LRPSSYH

not attested not anchored not stored refs pending

An Integer Programming Approach to the Hospital/Residents Problem with Ties

Augustine Kwanashie, David F. Manlove

arxiv:1308.4064 v2 · 2013-08-19 · cs.DS · cs.CC · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YBYW7CENGZIHYJ4EEZ7LRPSSYH}

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	2026-05-18T03:15:33.682987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0716f888d36507c2784267eb8be52c1dcb798b2a7c5edaed80d915a5a1f733d

Aliases

arxiv: 1308.4064 · arxiv_version: 1308.4064v2 · doi: 10.48550/arxiv.1308.4064 · pith_short_12: YBYW7CENGZIH · pith_short_16: YBYW7CENGZIHYJ4E · pith_short_8: YBYW7CEN

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/YBYW7CENGZIHYJ4EEZ7LRPSSYH \
  | 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: c0716f888d36507c2784267eb8be52c1dcb798b2a7c5edaed80d915a5a1f733d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "badc870a31eb789b950f330b1ef8c98acfece804905065b15ce1aeaec495817f",
    "cross_cats_sorted": [
      "cs.CC",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-08-19T15:46:38Z",
    "title_canon_sha256": "400f5a241564a00dbfc6fc1ec196703945a6551bdeecdad1c14def9413303e42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4064",
    "kind": "arxiv",
    "version": 2
  }
}