Pith Number

pith:WQUODXGY

pith:2017:WQUODXGYGY5CWCMQZAXAOEYXGU

not attested not anchored not stored refs pending

Achieving rental harmony with a secretive roommate

Florian Frick, Fr\'ed\'eric Meunier, Kelsey Houston-Edwards

arxiv:1702.07325 v2 · 2017-02-23 · math.CO · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WQUODXGYGY5CWCMQZAXAOEYXGU}

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	2026-05-17T23:53:12.099927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b428e1dcd8363a2b0990c82e071317350f7e3cc09fbe8d26af14d19c15406d7d

Aliases

arxiv: 1702.07325 · arxiv_version: 1702.07325v2 · doi: 10.48550/arxiv.1702.07325 · pith_short_12: WQUODXGYGY5C · pith_short_16: WQUODXGYGY5CWCMQ · pith_short_8: WQUODXGY

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/WQUODXGYGY5CWCMQZAXAOEYXGU \
  | 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: b428e1dcd8363a2b0990c82e071317350f7e3cc09fbe8d26af14d19c15406d7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e4356585b7e3cd136f1e086a424759c332d018eecb7dfce1153737e4c1a8434",
    "cross_cats_sorted": [
      "math.HO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-02-23T18:22:18Z",
    "title_canon_sha256": "d5531a96e72cc7261813edacabafbcba2543ce29b9a9370d58eebc76a4246040"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07325",
    "kind": "arxiv",
    "version": 2
  }
}