Pith Number

pith:T6432SFL

pith:2025:T6432SFLPABNWEMDQWCN3OAOBM

not attested not anchored not stored refs pending

On connected subgraph arrangements

Gerhard Roehrle, Lorenzo Giordani, Paul M\"ucksch, Tilman M\"oller

arxiv:2502.18144 v2 · 2025-02-25 · math.CO · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T6432SFLPABNWEMDQWCN3OAOBM}

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	2026-05-20T00:04:07.971622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fb9bd48ab7802db11838584ddb80e0b20509c9b56dcc688296fe2f3f9b616d8

Aliases

arxiv: 2502.18144 · arxiv_version: 2502.18144v2 · doi: 10.48550/arxiv.2502.18144 · pith_short_12: T6432SFLPABN · pith_short_16: T6432SFLPABNWEMD · pith_short_8: T6432SFL

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/T6432SFLPABNWEMDQWCN3OAOBM \
  | 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: 9fb9bd48ab7802db11838584ddb80e0b20509c9b56dcc688296fe2f3f9b616d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fc2a16bf7e7993c747e1a873fd6123487d45ace53e7dcad59d56cc6e757a98f",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-02-25T12:13:19Z",
    "title_canon_sha256": "77581b92b3fb01cf0507ebfad0d7c7f502c53d1f1c1cadf9c95350726fc47970"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.18144",
    "kind": "arxiv",
    "version": 2
  }
}