Pith Number

pith:R4UV3X2U

pith:2017:R4UV3X2UHXGPOXR6V7BIMCUYS2

not attested not anchored not stored refs pending

A notion of minor-based matroid connectivity

James Oxley, Zachary Gershkoff

arxiv:1705.03418 v2 · 2017-05-09 · 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{R4UV3X2UHXGPOXR6V7BIMCUYS2}

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	2026-05-18T00:10:13.723247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f295ddf543dccf75e3eafc2860a989697077445886f278057d17ca68a8bfcca

Aliases

arxiv: 1705.03418 · arxiv_version: 1705.03418v2 · doi: 10.48550/arxiv.1705.03418 · pith_short_12: R4UV3X2UHXGP · pith_short_16: R4UV3X2UHXGPOXR6 · pith_short_8: R4UV3X2U

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/R4UV3X2UHXGPOXR6V7BIMCUYS2 \
  | 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: 8f295ddf543dccf75e3eafc2860a989697077445886f278057d17ca68a8bfcca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2218e9d721042d9f2aeefe993fc3e5b373023cf77b58bac3b4cde1c09320eb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-05-09T16:38:57Z",
    "title_canon_sha256": "a4ddd8b4a5d1faf62a5cda80fd8a213ce14c1a82f64c860122ee378959c66322"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.03418",
    "kind": "arxiv",
    "version": 2
  }
}