Pith Number

pith:VQORJY6I

pith:2016:VQORJY6IUJ56RF7UCXOSUDE3MK

not attested not anchored not stored refs pending

The probl\`eme des m\'enages revisited

Georgios Kontogeorgiou, Lefteris Kirousis

arxiv:1607.04115 v2 · 2016-07-14 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VQORJY6IUJ56RF7UCXOSUDE3MK}

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	2026-05-18T01:10:35.842515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac1d14e3c8a27be897f415dd2a0c9b62ad347c5c034b9655d59764fbfc19dc2d

Aliases

arxiv: 1607.04115 · arxiv_version: 1607.04115v2 · doi: 10.48550/arxiv.1607.04115 · pith_short_12: VQORJY6IUJ56 · pith_short_16: VQORJY6IUJ56RF7U · pith_short_8: VQORJY6I

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/VQORJY6IUJ56RF7UCXOSUDE3MK \
  | 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: ac1d14e3c8a27be897f415dd2a0c9b62ad347c5c034b9655d59764fbfc19dc2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2db915807d3a0edded8278e4c6cab8863fd7f390590d5d0ec3fd6b528283b18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-07-14T12:52:46Z",
    "title_canon_sha256": "d82fdfc154bf602b3041e0bbcd9e87796506c7f1282f06b5184b0174a980f82f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04115",
    "kind": "arxiv",
    "version": 2
  }
}