Pith Number

pith:XZBGHWM3

pith:2025:XZBGHWM37F4ZYYCSY6ESR77VBY

not attested not anchored not stored refs pending

Knot quandles distinguish Suciu's ribbon knots

Jumpei Yasuda

arxiv:2508.15129 v1 · 2025-08-20 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XZBGHWM37F4ZYYCSY6ESR77VBY}

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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.

Cited by

1 paper in Pith

The knot quandles of Suciu's ribbon $n$-knots and automorphisms on the free group of rank two

Receipt and verification

First computed	2026-07-05T11:57:06.989818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be4263d99bf9799c6052c78928fff50e3965f97706480a12f438ec9256d4df9c

Aliases

arxiv: 2508.15129 · arxiv_version: 2508.15129v1 · doi: 10.48550/arxiv.2508.15129 · pith_short_12: XZBGHWM37F4Z · pith_short_16: XZBGHWM37F4ZYYCS · pith_short_8: XZBGHWM3

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/XZBGHWM37F4ZYYCSY6ESR77VBY \
  | 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: be4263d99bf9799c6052c78928fff50e3965f97706480a12f438ec9256d4df9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19ec43a0d36f22603f9444cd6f7f4e8b3e7b69cd22ffbc85976d4a8ec725192d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2025-08-20T23:37:49Z",
    "title_canon_sha256": "2cf3048d43bac698ca69f5bd5a2a1338bd58d9c085a7c11285f896f583445579"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.15129",
    "kind": "arxiv",
    "version": 1
  }
}