Pith Number

pith:56NX4736

pith:2016:56NX47367BU5HY77NCMFFOEIIG

not attested not anchored not stored refs pending

Pareto optimal matchings of students to courses in the presence of prerequisites

Bettina Klaus, David F. Manlove, Katarina Cechlarova

arxiv:1603.00858 v3 · 2016-03-02 · 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{56NX47367BU5HY77NCMFFOEIIG}

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	2026-05-18T00:40:41.513959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef9b7e7f7ef869d3e3ff689852b88841bb951ac3eeb2a05efdd46ea2813f704c

Aliases

arxiv: 1603.00858 · arxiv_version: 1603.00858v3 · doi: 10.48550/arxiv.1603.00858 · pith_short_12: 56NX47367BU5 · pith_short_16: 56NX47367BU5HY77 · pith_short_8: 56NX4736

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/56NX47367BU5HY77NCMFFOEIIG \
  | 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: ef9b7e7f7ef869d3e3ff689852b88841bb951ac3eeb2a05efdd46ea2813f704c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53a57130630f16495af6f68a00ff92b5d107e2214b3795180fda05a2233ce3c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-03-02T20:34:44Z",
    "title_canon_sha256": "ea940eddc60018559a63377a5b9a0445e58eb41267b1471544d91676010f2737"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00858",
    "kind": "arxiv",
    "version": 3
  }
}