Pith Number

pith:6RYYFAQT

pith:2019:6RYYFAQTD6AOSQZVKIJ6PN2KZN

not attested not anchored not stored refs pending

Stability-Preserving, Time-Efficient Mechanisms for School Choice in Two Rounds

James Liu, Karthik Gajulapalli, Tung Mai, Vijay V. Vazirani

arxiv:1904.04431 v6 · 2019-04-09 · 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{6RYYFAQTD6AOSQZVKIJ6PN2KZN}

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	2026-07-05T01:21:33.862446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4718282131f80e943355213e7b74acb5750594fecb4b08b581899ad1da1c491

Aliases

arxiv: 1904.04431 · arxiv_version: 1904.04431v6 · doi: 10.48550/arxiv.1904.04431 · pith_short_12: 6RYYFAQTD6AO · pith_short_16: 6RYYFAQTD6AOSQZV · pith_short_8: 6RYYFAQT

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/6RYYFAQTD6AOSQZVKIJ6PN2KZN \
  | 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: f4718282131f80e943355213e7b74acb5750594fecb4b08b581899ad1da1c491

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31d4c973e85ed58efd1578543e7fbc0acb684c19698eb3ddc9ba50ce080e60a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2019-04-09T02:41:34Z",
    "title_canon_sha256": "7c5d676341822d51a661b749132b26ef19c834fa4905b05910641da054c90368"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04431",
    "kind": "arxiv",
    "version": 6
  }
}