Pith Number

pith:YRZHFVFX

pith:2023:YRZHFVFX64EFTL62MJWBK7ZCRV

not attested not anchored not stored refs pending

Characterising 4-tangles through a connectivity property

Jan Kurkofka, Johannes Carmesin

arxiv:2309.00902 v2 · 2023-09-02 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YRZHFVFX64EFTL62MJWBK7ZCRV}

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.

Cited by

1 paper in Pith

On vertex sets inducing tangles

Receipt and verification

First computed	2026-07-05T11:16:47.818557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c47272d4b7f70859afda626c157f228d59f0ddc8a5ba6356446900907c1710b1

Aliases

arxiv: 2309.00902 · arxiv_version: 2309.00902v2 · doi: 10.48550/arxiv.2309.00902 · pith_short_12: YRZHFVFX64EF · pith_short_16: YRZHFVFX64EFTL62 · pith_short_8: YRZHFVFX

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/YRZHFVFX64EFTL62MJWBK7ZCRV \
  | 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: c47272d4b7f70859afda626c157f228d59f0ddc8a5ba6356446900907c1710b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fab54c507f6ff8f62df052793d5d5eacc5a360b9284ebc7bb732a08313aad7a4",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2023-09-02T10:39:50Z",
    "title_canon_sha256": "ac407bfdea7b0cb3e66415cbc4dae253db26de490c55b9b53004f64b5f570ecf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.00902",
    "kind": "arxiv",
    "version": 2
  }
}