Pith Number

pith:YUAYOV2M

pith:2016:YUAYOV2MR3QH3B4UWTWBVVLZSJ

not attested not anchored not stored refs pending

On a generalization of the seating couples problem

Daniel Kohen, Iv\'an Sadofschi Costa

arxiv:1603.06625 v1 · 2016-03-21 · 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{YUAYOV2MR3QH3B4UWTWBVVLZSJ}

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	2026-05-18T01:18:35.076991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c50187574c8ee07d8794b4ec1ad579926834848da998b10f1e727585c938e2e0

Aliases

arxiv: 1603.06625 · arxiv_version: 1603.06625v1 · doi: 10.48550/arxiv.1603.06625 · pith_short_12: YUAYOV2MR3QH · pith_short_16: YUAYOV2MR3QH3B4U · pith_short_8: YUAYOV2M

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/YUAYOV2MR3QH3B4UWTWBVVLZSJ \
  | 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: c50187574c8ee07d8794b4ec1ad579926834848da998b10f1e727585c938e2e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f52e1fbd73c926927338e3e642f75294a265d2fe1b235e05c71debb3657eb67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-03-21T21:34:23Z",
    "title_canon_sha256": "ac0fdc3d53b23592b79b3e12e20e2bbed03c2f337bfa9a8a1ae83ab57e8706c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.06625",
    "kind": "arxiv",
    "version": 1
  }
}