Pith Number

pith:NOZ5PRK4

pith:2026:NOZ5PRK4ZAQEY2XKIWTTEDIYB7

not attested not anchored not stored refs pending

Perpetually Fair Assignments Via Balanced Sequences of Permutations

Erel Segal-Halevi, Terrence Adams

arxiv:2602.21687 v3 · 2026-02-25 · math.CO · 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{NOZ5PRK4ZAQEY2XKIWTTEDIYB7}

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	2026-07-23T01:24:23.835522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bb3d7c55cc8204c6aea45a7320d180fefbbbc9753f976463b7e4fbd8cd67d7a

Aliases

arxiv: 2602.21687 · arxiv_version: 2602.21687v3 · doi: 10.48550/arxiv.2602.21687 · pith_short_12: NOZ5PRK4ZAQE · pith_short_16: NOZ5PRK4ZAQEY2XK · pith_short_8: NOZ5PRK4

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/NOZ5PRK4ZAQEY2XKIWTTEDIYB7 \
  | 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: 6bb3d7c55cc8204c6aea45a7320d180fefbbbc9753f976463b7e4fbd8cd67d7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0945ec790bfdde998fef0b77abf3e5b49764c5e4c6fcd74827ac8e6c497c3253",
    "cross_cats_sorted": [
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-02-25T08:40:06Z",
    "title_canon_sha256": "f378ef8be1bf7831dd4c83c74a575c074d10cf1455d9062e8394b903c35b9028"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.21687",
    "kind": "arxiv",
    "version": 3
  }
}