Pith Number

pith:RZFW23NW

pith:2017:RZFW23NW7KLWMXE5YHTG6ITRRO

not attested not anchored not stored refs pending

Bounds for Matchings in Nonabelian Groups

Will Sawin

arxiv:1702.00905 v1 · 2017-02-03 · 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{RZFW23NW7KLWMXE5YHTG6ITRRO}

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	2026-05-18T00:51:29.464791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e4b6d6db6fa97665c9dc1e66f22718bb713b04a267a5590f0b34bf93fa32a8f

Aliases

arxiv: 1702.00905 · arxiv_version: 1702.00905v1 · doi: 10.48550/arxiv.1702.00905 · pith_short_12: RZFW23NW7KLW · pith_short_16: RZFW23NW7KLWMXE5 · pith_short_8: RZFW23NW

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/RZFW23NW7KLWMXE5YHTG6ITRRO \
  | 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: 8e4b6d6db6fa97665c9dc1e66f22718bb713b04a267a5590f0b34bf93fa32a8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dd3027788a43c345afd6b1be27c59cc0518b1c600b2f7eb8b4bc664feb46238",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-02-03T04:19:38Z",
    "title_canon_sha256": "0ac99e19ac03b34857f75691f6219650158344dc2155cc8d09c5a1055b2c5af3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.00905",
    "kind": "arxiv",
    "version": 1
  }
}