Pith Number

pith:HBZVTTXX

pith:2017:HBZVTTXXSP3H53PITSUQUDSGPC

not attested not anchored not stored refs pending

Envy-free Matchings with Lower Quotas

Yu Yokoi

arxiv:1704.04888 v2 · 2017-04-17 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HBZVTTXXSP3H53PITSUQUDSGPC}

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	2026-05-18T00:34:41.640828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

387359cef793f67eede89ca90a0e46788eb53d87fe98a47d6ebbd5948a7947b9

Aliases

arxiv: 1704.04888 · arxiv_version: 1704.04888v2 · doi: 10.48550/arxiv.1704.04888 · pith_short_12: HBZVTTXXSP3H · pith_short_16: HBZVTTXXSP3H53PI · pith_short_8: HBZVTTXX

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/HBZVTTXXSP3H53PITSUQUDSGPC \
  | 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: 387359cef793f67eede89ca90a0e46788eb53d87fe98a47d6ebbd5948a7947b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70088363f1e00729a17e02b76826c8aefa313c0767ac284c77d5de800eac6288",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2017-04-17T07:13:07Z",
    "title_canon_sha256": "068fd0c752fe07e215b13b50405adb9a50887bcb3edfdbe42cd7ae564ef91391"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04888",
    "kind": "arxiv",
    "version": 2
  }
}