Pith Number

pith:S5OFLCIQ

pith:2025:S5OFLCIQV7VVMEGFVOXBOMPAKT

not attested not anchored not stored refs pending

PyRigi -- a general-purpose Python package for the rigidity and flexibility of bar-and-joint frameworks

Georg Grasegger, Jan Legersk\'y, Matteo Gallet, Matthias Himmelmann

arxiv:2505.22652 v2 · 2025-05-28 · math.MG · cs.CG · cs.SC · 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{S5OFLCIQV7VVMEGFVOXBOMPAKT}

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	2026-07-05T11:16:35.586413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

975c558910afeb5610c5abae1731e054d49c73f71ff2fa5661f5299edafe6381

Aliases

arxiv: 2505.22652 · arxiv_version: 2505.22652v2 · doi: 10.48550/arxiv.2505.22652 · pith_short_12: S5OFLCIQV7VV · pith_short_16: S5OFLCIQV7VVMEGF · pith_short_8: S5OFLCIQ

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/S5OFLCIQV7VVMEGFVOXBOMPAKT \
  | 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: 975c558910afeb5610c5abae1731e054d49c73f71ff2fa5661f5299edafe6381

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c48ed972bb1fdb0b57f749b9e797f692019d482fa4807cf16ed1e3e08158682a",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.SC",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2025-05-28T17:58:25Z",
    "title_canon_sha256": "608a2a44e4897a62761863af07877c1f417b9ce5e6b2d4a4f74626278cf96aaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.22652",
    "kind": "arxiv",
    "version": 2
  }
}